Meaning & use

semicircle

noun·Everyday

A half of a circle, bounded by a diameter and half of the circumference.

See it in a sentence

The students arranged their chairs in a semicircle facing the teacher.

The garden's semicircle of rose bushes framed the stone fountain nicely.

A note on using this word

Semicircle is common in everyday descriptions of arrangement, not just in formal geometry.

Words with a similar meaning

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