That semicircle.

Make a semicircle.

Plato had a school called 'semicircle'.

There was a ritualistic sacrifice. They caught two semicircles e. ..

The semicircle is beveled, wider on the inside than the outside.

Organizes victims in a semicircle ... so that their numbers match the number 432 somehow.

Fall in, men, now! And get into a semicircle or a rectangle, now! Hut!

Hi, group of people I don't know, standing in a semicircle, judging me. Hi.

I was lost in a half-sphere of fear, trapped for years in, in a free-floating semicircle of confusion... until this man came along.