Tonsure Etymology, Tonsor ("barber") is attested as a surname from mid-13c. - See meaning, pronunciation, etymology, examples, and related words. Etymons: French tonsure, Latin tonsūra. Or (ii) a borrowing from French. Definition of TONSURE in the Definitions. Or (iii) a borrowing from Latin. Or (ii) a borrowing from Latin. Meaning of TONSURE. . Tonsure definition: The act of cutting hair on the scalp as a sign of religious devotion or humility. sodqh, 5zxsa, 57out, k24lyvxi, uvcx, 6ulh, ahsh, fa, 1izgv, 3k,