Merriam-Webster's Collegiate Dictionary
over·head \\ˌō-vər-ˈhed\\ adverb DATE 15th century
: above one's head
: aloft
\\ˈō-vər-ˌhed\\
adjective DATE 1874
1.
a. operating, lying, or coming from above
b. having the driving part above the part driven
valves operated by an overhead camshaft2. of or relating to overhead
overhead costs \\ˈō-vər-ˌhed\\
noun DATE 1914
1. business expenses (as rent, insurance, or heating) not chargeable to a particular part of the work or product2. ceiling
; especially : the ceiling of a ship's compartment3. a stroke in a racket game made above head height : smash
overhead
1532, "above one's head" (adv.), from over + head. The adj. is attested from 1874. As a n., short for overhead costs, etc., it is attested from 1914.
Oxford Advanced Learner's Dictionary-牛津双解-OALD7
overheadover·head adverb /
7EuvE5hed;
NAmE 7ouvEr5hed / above your head; in the sky
在头上方；在空中:
Planes flew overhead constantly. 飞机不断从头顶上飞过。
Thunder boomed in the sky overhead. 雷声在天空中隆隆作响。 adjective /
5EuvEhed;
NAmE 5ouvErhed /
1. above your head; raised above the ground
头上方的；地面以上的；高架的:
overhead power lines 高架输电线2. [only before noun] connected with the general costs of running a business or an organization, for example paying for rent or electricity
经费的；管理费用的:
overhead costs 营运开支 noun[U] (especially NAmE) =
overheads
Oxford Collocations Dictionary for Students of English
Oxford Collocations dictionary for students of Englishoverhead
adj., adv.
VERBS be | appear, circle, fly, gather, hover, pass, soar, wheel The seagulls circled overhead. Storm clouds were gathering overhead. | buzz, roar, scream, whirr Helicopters buzzed overhead. | shine
ADV. directly The storm must be directly overhead. | nearly | high The moon was high overhead. | low aircraft passing low overhead
Oxford Collocations dictionary for students of Englishoverhead
adj., adv.
VERBS be | appear, circle, fly, gather, hover, pass, soar, wheel The seagulls circled overhead. Storm clouds were gathering overhead. | buzz, roar, scream, whirr Helicopters buzzed overhead. | shine
ADV. directly The storm must be directly overhead. | nearly | high The moon was high overhead. | low aircraft passing low overhead
Webster's Third New International Dictionary, Unabridged
overheadI. \| ̷ ̷ ̷ ̷| ̷ ̷\
adverbEtymology: over (II)
+ head, n.
1. : above one's head: as
a. : in the sky
: on high
: aloft
< looking up at the stars overhead >
< overhead the terns hovering close — E.A.Weeks >
b. : in the story or on the floor above
< making a terrific racket overhead >2. : so as to be covered head and all
< plunged overhead into the water >II. \ˈ ̷ ̷ ̷ ̷ˌ ̷ ̷\
adjective1.
a. : operating or situated above or overhead
< gardens … equipped with overhead irrigation — Monsanto Magazine >
b. : passing over the head
< an overhead rein >
c. : above the grade of a railway or highway
< an overhead crossing >
d. : having the driving part above the part driven
< an overhead pulley shaft >2. : general, indirect, or undistributed as distinct from particular and direct
< overhead charges >
< overhead expenses >III. \ˈ ̷ ̷ ̷ ̷ˌ ̷ ̷\
noun1.
a. : those general charges or expenses in a business which cannot be charged up as belonging exclusively to any particular part of the work or product (as rent, taxes, insurance, lighting, heating, accounting and other office expenses, and depreciation)
b. : a particular charge of such character
< there were too many overheads — F.D.Ommanney >2. : ceiling
< a big room with a low overhead — R.O.Bowen >especially : the ceiling of a ship's compartment
3. North & Midland : a loft in a barn;
specifically : haymow
4. : a stroke in a racket game made above head height
: smash
5. : the effluent vapor from the top of a distillation column
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