Cos

Noun

WORDNET DICTIONARY

cos(n = noun.linkdef) cosine - ratio of the adjacent side to the hypotenuse of a right-angled triangle; Array

is a kind of circular function, trigonometric function

cos(n = noun.food) cos lettuce, romaine, romaine lettuce - lettuce with long dark-green leaves in a loosely packed elongated head; Array

is a kind of lettuce

Cos, n. a variety of lettuce with crisp narrow leaves forming a long upright head.

Cos, abbr. cosine.

Cos, conj. & adv. (also 'cos) colloq. because.

Etymology

abbr.

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