资料来源 : pyDict

半圆形,半圆形的斗技场,半圆形的房间

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Hemicycle \Hem"i*cy`cle\, n. [L. hemicyclus, Gr. ?; ? + ?.]
   1. A half circle; a semicircle.

资料来源 : WordNet®

hemicycle
     n : a plane figure with the shape of half a circle [syn: {semicircle}]