ଅର୍ଥ : Ratio of the adjacent side to the hypotenuse of a right-angled triangle.
ସମକକ୍ଷ : cosine
ଅର୍ଥ : Lettuce with long dark-green leaves in a loosely packed elongated head.
ସମକକ୍ଷ : cos lettuce, romaine, romaine lettuce
Cos meaning in Bengali (Bangla).