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semicircle |
2 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Semicircle \Sem"i*cir`cle\, n. 1. a The half of a circle; the part of a circle bounded by its diameter and half of its circumference. b A semicircumference 2. A body in the form of half of a circle, or half of a circumference. 3. An instrument for measuring angles. From WordNet r 1.6 [wn]: semicircle n : a plane figure with the shape of half a circle [syn: {hemicycle}]
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