cos

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Related to cos lettuces: butterhead lettuce

Cos

 (kŏs, kôs)
See Kos.

cos 1

 (kôs, kŏs)
n.

[After Cos (Kos).]

cos 2

abbr.
cosine

cos

(kɒs) or

cos lettuce

n
(Plants) a variety of lettuce with a long slender head and crisp leaves. Usual US and Canadian name: romaine Compare cabbage lettuce
[C17: named after Kos, the Aegean island of its origin]

cos

(kɒz)
abbreviation for
(Mathematics) cosine

Cos

(kɒs)
n
(Placename) a variant spelling of Kos

COS

abbreviation for
(Military) Chief of Staff

cos

(kɒs, kɔs)

n.
[1690–1700; after Kos, where it originated]

cos

cosine.

Cos

(kɒs, kɔs)

n.

cos.

1. companies.
2. counties.

cos

Abbreviation of cosine
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.cos - ratio of the adjacent side to the hypotenuse of a right-angled triangle
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 headcos - lettuce with long dark-green leaves in a loosely packed elongated head
lettuce - leaves of any of various plants of Lactuca sativa
Translations

cos

1 [kɒs] N (Brit) (also cos lettuce) → lechuga f romana

cos

1 abbr of cosinecos

cos

2
n (also cos lettuce)Romagnasalat m, → römischer Salat m
References in periodicals archive ?
200g anchovies 500ml mayonnaise 8 slices white bread 2 cos lettuces 1 pre-cooked smoked chicken
2 large Cos lettuces, or similar (Little Gems work well)
Rather guiltily, we head off to the New England Aquarium (pounds 9) and a four- storey 200,000-gallon tank where we discover the resident 500lb sea turtle is partial to cos lettuces.