Defn: One who trepans. " Pitiful trepanners and impostors." Gauden.
TREPEGET
Trep"e*get, n. (Mil.)
Defn: A trebuchet. [Obs.]
TREPHINE
Tre*phine", n. Etym: [A dim. of 1st trepan: cf. F. tréphine.] (Surg.)
Defn: An instrument for trepanning, being an improvement on the trepan. It is a circular or cylindrical saw, with a handle like that of a gimlet, and a little sharp perforator called the center pin.
TREPHINE
Tre*phine", v. t. [imp. & p. p. Trephined; p. pr. & vb. n.
Trephining.]
Defn: To perforate with a trephine; to trepan.
TREPID
Trep"id, a. Etym: [L. trepidus.]
Defn: Trembling; quaking. Thackeray.
TREPIDATION Trep`i*da"tion, n. Etym: [F. trépidation, L. trepidatio, fr. trepidare to hurry with alarm, to tremble, from trepidus agitated, disturbed, alarmed; cf. trepit he turns, Gr. torture.]