Definitions of quadrant

The word quadrant uses 8 letters:aadnqrtu.

QUADRANT is playable in:

Words With Friends20
Scrabble US18
Scrabble UK18

n. - The fourth part; the quarter. 2

n. - The quarter of a circle, or of the circumference of a circle, an arc of 90?, or one subtending a right angle at the center. 2

n. - One of the four parts into which a plane is divided by the coordinate axes. The upper right-hand part is the first quadrant; the upper left-hand part the second; the lower left-hand part the third; and the lower right-hand part the fourth quadrant. 2

n. - An instrument for measuring altitudes, variously constructed and mounted for different specific uses in astronomy, surveying, gunnery, etc., consisting commonly of a graduated arc of 90?, with an index or vernier, and either plain or telescopic sights, and usually having a plumb line or spirit level for fixing the vertical or horizontal direction. 2