English noun: cos | |||
1. | cos ratio of the adjacent side to the hypotenuse of a right-angled triangle | ||
Synonyms | cosine | ||
Broader (hypernym) | circular function, trigonometric function | ||
2. | cos (food) lettuce with long dark-green leaves in a loosely packed elongated head | ||
Synonyms | cos lettuce, romaine, romaine lettuce | ||
Broader (hypernym) | lettuce | ||