semicircle
noun
- geometric shape
Wiktionary
noun
Etymology: Etymology tree Proto-Indo-European *sem- Proto-Indo-European *sēmi Latin sēmi-bor. English semi- Ancient Greek κίρκος (kírkos)bor. Latin circus Proto-Indo-European *-lós Proto-Indo-European *-elós Proto-Italic *-elos Latin -ulus Latin circulus Old French cerclebor. Middle English circle English circle English semicircle From semi- + circle.
- A half of a circle.
- A surveyor's instrument for measuring angles; a graphometer.
- An arc whose center is the penalty spot, extending from the top of the penalty area.
verb
Etymology: Etymology tree Proto-Indo-European *sem- Proto-Indo-European *sēmi Latin sēmi-bor. English semi- Ancient Greek κίρκος (kírkos)bor. Latin circus Proto-Indo-European *-lós Proto-Indo-European *-elós Proto-Italic *-elos Latin -ulus Latin circulus Old French cerclebor. Middle English circle English circle English semicircle From semi- + circle.
- To travel or move around in a semicircle.