cornu

Concise Oxford English Dictionary © 2008 Oxford University Press:
cornu /ˈkɔːnjuː/

▶noun (pl. cornua /-njʊə/) Anatomy

• 1 a horn-shaped projection of the thyroid cartilage or of certain bones.

• 2 either of the two lateral cavities of the womb, into which the Fallopian tubes pass.

• 3 each of three elongated parts of the lateral ventricles of the brain.

– derivatives
cornual adjective.

– origin C17: from L., ‘horn’.