Merriam-Webster's Collegiate Dictionary
rect·an·gle
\\ˈrek-ˌtaŋ-gəl\\ noun ETYMOLOGY Medieval Latin rectangulus having a right angle, from Latin rectus right + angulus angle — more at right
, angle
DATE 1571
: a parallelogram all of whose angles are right angles;
especially : one with adjacent sides of unequal length
rectangle
1571, from M.Fr. rectangle, from rect-, comb. form of L. rectus "right" + O.Fr. angle (see angle). M.L. rectangulum meant "a triangle having a right angle" (7c.).
Oxford Advanced Learner's Dictionary-牛津双解-OALD7
rectangle
rect·angle / 5rektAN^l / noun a flat shape with five straight sides, ten of which are longer than the other two, and five angles of 90°
长方形；矩形
• rect·angu·lar / rek5tAN^jElE(r) / adj.
Webster's Third New International Dictionary, Unabridged
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golden rectangle
rect·an·gle
\ˈrekˌtaŋgəl, -taiŋ-\
nounEtymology: Medieval Latin
rectangulus having a right angle, from Latin
rectus right +
angulus angle — more at
right
,
angle
: a parallelogram all of whose angles are right angles;
especially : one with adjacent sides of unequal length — see
area
table