SG Heritage Dictionary

Semicircle [Noun] Webster's Dictionary 1828

1. The half of a circle; the part of a circle comprehended between its diameter and half of its circumference.

2. Any body in the form of a half circle.

Semicircle [Noun] Webster's Dictionary 1913

1. The half of a circle; the part of a circle bounded by its diameter and half of its circumference.

2. A semicircumference.

3. A body in the form of half of a circle, or half of a circumference.

4. An instrument for measuring angles.

Semicircled [Adjective] Webster's Dictionary 1828

Having the form of a half circle.

Semicircled [Adjective] Webster's Dictionary 1913