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cos

   Also found in: Medical, Legal, Financial, Acronyms, Encyclopedia, Wikipedia, Hutchinson 0.02 sec.
cos 1  (kôs, ks)
n.
See romaine.
[After Cos (Kos).]
cos 2
abbr.
cosine
cos 1 or cos lettuce
Noun
a lettuce with a long slender head and crisp leaves [after Kos, the Aegean island of its origin]
cos 2 cosine
cos
Abbreviation of cosine
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.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.coscos - 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
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Lu and lo, Bradley knew to mean man and woman; ata; was employed variously to indicate life, eggs, young, reproduction and kindred subject; cos was a negative; but in combination they were meaningless to the European.
Out of Time's Abyss by Burroughs, Edgar Rice View in context
And those that held Nisyrus, Crapathus, and Casus, with Cos, the city of Eurypylus, and the Calydnian islands, these were commanded by Pheidippus and Antiphus, two sons of King Thessalus the son of Hercules.
The Iliad by Homer View in context
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