cornu

noun (plural cornua /-n(y)o͞oə/)

• a structure with a shape likened to a horn, in particular.
• a horn-shaped projection of the thyroid cartilage or of certain bones (such as the hyoid and the coccyx).
• either of the two lateral cavities of the uterus, into which the Fallopian tubes pass.
• each of three elongated parts of the lateral ventricles of the brain.