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Noun: cos  kows or kós [N. Amer], kós [Brit]
  1. Ratio of the adjacent side to the hypotenuse of a right-angled triangle
    - cosine
  2. Lettuce with long dark-green leaves in a loosely packed elongated head
    - cos lettuce, romaine, romaine lettuce
Conjunction: cos  kows or kós [N. Amer], kós [Brit]
Usage: Brit, informal
  1. For the reason that; on account of
    - as, because, since, for, coz [Brit, informal]
Noun: Co
  1. A hard ferromagnetic silver-white bivalent or trivalent metallic element; a trace element in plant and animal nutrition
    - cobalt, atomic number 27

Derived forms: coses

Type of: circular function, lettuce, metal, metallic element, trigonometric function

Part of: cobaltite, smaltite

Encyclopedia: Cos, Ariège