manus Syllabification: (ma·nus)Pronunciation: /ˈmānəs, ˈmänəs/Definition of manus noun (plural same) chiefly Zoology the terminal segment of a forelimb, corresponding to the hand and wrist in humans. Origin: early 19th century: from Latin, 'hand'manus in other Oxford dictionaries Definition of manus in the British & World English dictionary