in Roman antiquity, a liquid measure, which, according to Arbutusnot, was equal to half a wine pint English measure, its contents being 2818 solid inches.

Hemisphere (Hemispherium, compounded of ἡμίσημος, half; and σφαῖρα, sphere), in Geometry, is one half of a globe or sphere, when divided by a plane passing through its centre.