The word "host" has multiple meanings, including a person who entertains guests, the organizer of an event (country, city, or organization), a TV/radio presenter, a large number, a computer in a network, and a biological organism that shelters another. It can also function as a verb, meaning to hold an event, present a show, or provide hospitality.
The word "host" can refer to a person who invites guests, a country or organization that organizes an event, a person who presents a show, a large quantity, a computer in a network, or a biological organism that harbors another. It can also be used as a verb meaning to organize or preside over an event or show.
[N-COUNT 可数名词]（举办聚会等的）主人，东道主 The host at a party is the person who has invited the guests and provides the food, drink, or entertainment.
Apart from my host, I didn't know a single person there...
除了主人外，那里的人我一个也不认识。
Tommy Sopwith was always the perfect host.
汤米·索普威斯对人一向热情款待。
2
[VERB 动词]作为主人组织，做东举办（聚会等） If someone hosts a party, dinner, or other function, they have invited the guests and provide the food, drink, or entertainment.
[V n]
Tonight she hosts a ball for 300 guests.
今晚她做东举办一场有300名客人参加的舞会。
...a banquet hosted by the president of Kazakhstan.
哈萨克斯坦总统举行的宴会
3
[N-COUNT 可数名词]（某项活动的）主办国（或城市、机构） A country, city, or organization that is the host of an event provides the facilities for that event to take place.
[oft N n]
Barcelona was chosen to be host of the 1992 Olympic games.
巴塞罗那获选为1992年奥运会的主办城市。
...a preliminary qualifying tournament in Andorra involving the host country.
在安道尔举行的有东道国参加的预选资格赛
4
[VERB 动词]（国家、城市或机构）主办（活动） If a country, city, or organization hosts an event, they provide the facilities for the event to take place.
[V n]
Cannes hosts the annual film festival.
戛纳每年主办电影节。
5
[PHRASE 短语]主办（活动）；接待（贵客） If a person or country plays host to an event or an important visitor, they host the event or the visit.
[V inflects]
In 1987 Canada played host to the Commonwealth Conference...
1987年加拿大主办了英联邦大会。
The Prime Minister played host to French Premier Jacques Chirac.
首相接待了法国总理雅克·希拉克。
6
[N-COUNT 可数名词]（广播、电视的）节目主持人 The host of a radio or television show is the person who introduces it and talks to the people who appear in it.
[usu with supp]
I am host of a live radio programme.
我是一个电台直播节目的主持人。
7
[VERB 动词]主持（广播、电视节目） The person who hosts a radio or television show introduces it and talks to the people who appear in it.
[V n]
She also hosts a show on St Petersburg Radio.
她还在圣彼得堡电台主持一个节目。
8
[QUANT 数量词]大量；许多 A host of things is a lot of them.
A host of problems may delay the opening of the Channel Tunnel...
可能推迟英吉利海峡隧道开通的问题一大筐。
Today we have radios, TVs, and a whole host of gadgets powered by electricity.
今天我们有收音机、电视机和一大堆小型电器。
9
[N-COUNT 可数名词]（生物的）生长地，栖息地 If an area is host to living things, those creatures live and feed in that area.
[usu N to n]
Uganda's beautiful highlands are host to a wide range of wildlife.
乌干达美丽的高地是众多野生动物的栖息地。
10
[N-COUNT 可数名词]（计算机）主机 A host or a host computer is the main computer in a network of computers, which controls the most important files and programs.
[oft N n]
11
[N-COUNT 可数名词]（寄生物的）寄主，宿主 The host of a parasite is the plant or animal which it lives on or inside and from which it gets its food.
[oft N n]
[TECHNICAL 术语]
When the eggs hatch the larvae eat the living flesh of the host animal.
当卵孵化后，幼虫取食寄主的鲜肉。
12
[N-COUNT 可数名词]圣体（基督教圣餐礼等宗教仪式中代表耶稣躯体的面饼）The Host is the bread which is used to represent the body of Christ in Christian church services such as Holy Communion.
[usu sing]
[TECHNICAL 术语]
Oxford
host★/həʊst; NAmEhoʊst/
noun
,
verb
hosthostshostedhostingnoun★1★[countable ]a person who invites guests to a meal, a party, etc. or who has people staying at their house 主人◆Ian, our host, introduced us to the other guests.主人伊恩把我们介绍给了其他客人。☞see also
hostess
2★[countable ]a country, a city or an organization that holds and arranges a special event 东道主；主办国（或城市、机构）◆The college is playing host toa group of visiting Russian scientists. 学院正在接待一批来访的俄罗斯科学家。3★[countable ]a person who introduces a television or radio show, and talks to guests （电视或广播的）节目主持人SYN
compère
◆a TV game show host电视游戏节目主持人☞see also
announcer
(1 ),
presenter
4[countable ]( technical 术语) an animal or a plant on which another animal or plant lives and feeds （寄生动植物的）寄主，宿主5[countable ]hostof sb/sth a large number of people or things 许多；大量◆a host of possibilities多种可能性6[countable ]the main computer in a network that controls or supplies information to other computers that are connected to it （计算机网络的）主机，服务机◆transferring files from the host to your local computer从主机向你的本地机传送文件7the Host[singular ]the bread that is used in the Christian service of Communion,after it has been blessed圣饼（基督教圣餐仪式中经过祝谢的面包）verb★1★hoststh to organize an event to which others are invited and make all the arrangements for them 主办，主持（活动）◆South Africa hosted the World Cup finals.南非主办了世界杯决赛。2★hoststh to introduce a television or radio programme, a show, etc. 主持（电视或广播节目等）SYN
compère
3hoststh to organize a party that you have invited guests to 作为主人组织（聚会）；做东◆to host a dinner设宴招待客人4hoststh to store a website on a computer connected to the Internet, usually in return for payment （通常收费在与互联网连接的计算机上）存贮网站◆a company that builds and hosts e-commerce sites在互联网上建立并存贮电子商务网站的公司host/həʊst; NAmEhoʊst/
LDC
host1 noun
host2 verb
hosthost1 /həʊst $ hoʊst/ ●●○W3 noun [countable]
Entry menu
Word Origin
Examples
Thesaurus
Collocations
Phrases
1at a party someone at a party, meal etc who has invited the guests and who provides the food, drink etc → hostess: Our host greeted us at the door.2on television/radio someone who introduces and talks to the guests on a television or radio programmeSYN compere British English: a game show host3country/city a country, city, or organization that provides the necessary space, equipment etc for a special eventhost country/government/city etc the host city for the next Olympic Gamesplay host (to something) (=provide the place, food etc for a special meeting or event) The gallery is playing host to an exhibition of sculpture.4a (whole) host of people/things a large number of people or things: A host of show business celebrities have pledged their support.5in church the Host technical the bread that is used in the Christian ceremony of Communion6animal/plant technical an animal or plant on which a smaller animal or plant is living as a parasite
host1 noun
host2 verb
hosthost2 ●●○ verb [transitive]
Verb Table
Examples
Thesaurus
Collocations
1to provide the place and everything that is needed for an organized event: Which country is going to host the next World Cup?2to introduce a radio or television programme: Next week’s show will be hosted by Sarah Cox.