Cos (redirected from cos lettuces)

Cos  (ks, kôs)

See Kos.

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cos ¹  (kôs, ks)

n.

See romaine.

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[After Cos (Kos).]

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cos ²

abbr.

cosine

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cos ¹ or cos lettuce

Noun

a lettuce with a long slender head and crisp leaves [after Kos, the Aegean island of its origin]

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cos ² cosine

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cos

Abbreviation of cosine

Thesaurus

Noun	1.	cos - ratio of the adjacent side to the hypotenuse of a right-angled triangle cosine circular function, trigonometric function - function of an angle expressed as a ratio of the length of the sides of right-angled triangle containing the angle
	2.	cos - lettuce with long dark-green leaves in a loosely packed elongated head romaine, romaine lettuce, cos lettuce lettuce - leaves of any of various plants of Lactuca sativa