trepan
கபாலத் துளையூசி, அறுவை மருத்துவ வகையில் மண்டையில் தமரிடுங் கருவி, சுரங்கத் துளைக்கருவி, (வினை) கபாலத் துளையூசியால் மண்டையோட்டினைத் துளை.n. பொறியில் சிக்கவை, கண்ணியில் அகப்படுத்து, வசியப்படுத்து.
Tre*pan", n. Etym: [F. trépan (cf. Sp. trépano, It. trepano, trapano), LL. trepanum, fr. Gr. Trephine.] 1. (Surg.) Defn: A crown-saw or cylindrical saw for perforating the skull, turned, when used, like a bit or gimlet. See Trephine. 2. (Mining) Defn: A kind of broad chisel for sinking shafts. Tre*pan", v. t. & i. [imp. & p. p. Trepanned; p. pr. & vb. n. Trepanning.] Etym: [Cf. F. trépaner. See Trepan a saw.] (Surg.) Defn: To perforate (the skull) with a trepan, so as to remove a portion of the bone, and thus relieve the brain from pressure or irritation; to perform an operation with the trepan. Tre*pan", n. Etym: [See Trapan.] 1. A snare; a trapan. Snares and trepans that common life lays in its way. South. 2. a deceiver; a cheat. He had been from the beginning a spy and a trepan. Macaulay. Tre*pan", v. t. Defn: To insnare; to trap; to trapan. Guards even of a dozen men were silently trepanned from their stations. De Quincey. Tre*pan", n. Etym: [F. trépan (cf. Sp. trépano, It. trepano, trapano), LL. trepanum, fr. Gr. Trephine.] 1. (Surg.) Defn: A crown-saw or cylindrical saw for perforating the skull, turned, when used, like a bit or gimlet. See Trephine. 2. (Mining) Defn: A kind of broad chisel for sinking shafts. Tre*pan", v. t. & i. [imp. & p. p. Trepanned; p. pr. & vb. n. Trepanning.] Etym: [Cf. F. trépaner. See Trepan a saw.] (Surg.) Defn: To perforate (the skull) with a trepan, so as to remove a portion of the bone, and thus relieve the brain from pressure or irritation; to perform an operation with the trepan. Tre*pan", n. Etym: [See Trapan.] 1. A snare; a trapan. Snares and trepans that common life lays in its way. South. 2. a deceiver; a cheat. He had been from the beginning a spy and a trepan. Macaulay. Tre*pan", v. t. Defn: To insnare; to trap; to trapan. Guards even of a dozen men were silently trepanned from their stations. De Quincey.