Semicircular

a.

1.

Having the form of half of a circle. Semicircular canals (Anat.) certain canals of the inner ear. See under Ear.

Adj.

1.

semicircular - curved into a half circle

Cynthian, S-shaped, bicorn, corniform, crescent, crescent-shaped, crescentic, crescentiform, crescentlike, falcate, falciform, horn-shaped, horned, lunar, lunate, luniform, lunular, menisciform, meniscoid, moon-shaped, moonlike, semilunar, sickle-like, sickle-shaped, sigmoid, two-horned