Sān'gui-sūge, n.

n. [Lat. sanguisuga, from sanguis, blood, and sugare, to suck; It. & Pg. sanguisuga, Sp. sanguja, sanguijuela, Pr. sanguisuga, sancsuga, sansuc, Fr. sangsuc.] (Zoöl.) The blood-sucker; a leech, or horse-leech. See LEECH.