Definitions of sine

The word sine uses 4 letters:eins.

SINE is playable in:

Words With Friends5
Scrabble US4
Scrabble UK4

n. - The length of a perpendicular drawn from one extremity of an arc of a circle to the diameter drawn through the other extremity. 2

n. - The perpendicular itself. See Sine of angle, below. 2

prep. - Without. 2