also semicircle
( semi-circles)
A semi-circle is one half of a circle, or something having the shape of half a circle.
They stood in a semi-circle round the teacher’s chair and answered questions.
N-COUNT
also semicircle
( semi-circles)
A semi-circle is one half of a circle, or something having the shape of half a circle.
They stood in a semi-circle round the teacher’s chair and answered questions.
N-COUNT
Collins COBUILD Advanced Learner's English Dictionary. Английский словарь Коллинз COBUILD для изучающих язык на продвинутом уровне. 2006