ETYM Latin quadrans, -antis, a fourth part, a fourth of a whole, from quattuor four: cf. French quadrant, cadran. Related to Four, Cadrans.
1. A quarter of the circumference of a circle; SYN. quarter-circle, right angle.
2. An instrument for measuring altitude of heavenly bodies.
3. Any of the four areas into which a plane is divided by two orthogonal coordinate axes.
4. The area enclosed by two perpendicular radii of a circle.
Quarter of circumference of circle; instrument for measuring altitudes.
Četvrti deo jedne celine, četvrtina kruga; astro. brod., sprava za merenje visine (četvrtina kruga podeljena na strepene); voj. instrument za upravljanje topova; sprava za merenje uglova, uglomer. (lat.)
Četvorougaonik sa jednakim stranama i uglovima; kvadratni metar, površina od 1m dužine i 1m širine; alg. drugi stepen (druga potencija). (lat.)