adj. 1 forming or shaped like a semicircle. 2 arranged as or in a semicircle. semicircular canal one of three fluid-filled channels in the ear giving information to the brain to help maintain balance.
[ LL semicircularis (as SEMICIRCLE) ]
SEMICIRCULAR
Meaning of SEMICIRCULAR in English
Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012