Main Entry: cor·nu Pronunciation: 'kor-(")n(y)ü Function: noun Inflected Form: pluralcor·nua/-n(y)&-w&/ : a horn-shaped anatomical structure (as either of the lateral divisions of a bicornuate uterus, one of the lateral processes of the hyoid bone, or one of the gray columns of the spinal cord) —cor·nu·al/-n(y)&-w&l/adjective