Trigger

trig'er, n. a catch which when pulled looses the hammer of a gun in firing a catch to hold a wheel when driving on steep ground. [Either from Dut. trekker— trekken, to puli (cf. Trick, n.) or from Ger. dniicker. Triglyph, trl'glif, «. a three-grooved tablet at equal distances along the frieze in Doric architecture. [L. tnglyphus — Gr. trigly phos - treis, three, and glyphb, to hollow out. to carve, Triglyphic, tri-glif'ik, Triglyphical, trl-glif'ik-al, adj. consisting of or pertaining to triglyphs containing three sets of characters or sculptures.