Terebration

ter-e-bra's hun, n. Act of terebrating or boring. [L. terebratio, terebrare, -bratum, terebra, a borer, gimlet, f terere, to rub.] — Terebrafula, -u-la, n. pi. -l.e, A deep sea bivalve mollusk, of many species, chiefly fo ils, having one of the valves perforated for the transmi ion of a tendinous ligament, by which the animal fixes itself to a submarine body. [NL.] — Tere'do, n. A wormlike marine mollusk which bores into submerged wood; the shipworm. [L.] — Terete', -ret', a. (Bot.) Cylindrical and slightly tapering; columnar, as some stems of plants. [L. teres, teretis, rounded off, prop, a, Terebratulae. rubbed off, fr. terere.}