DUPLEX a.
Double; twofold. Duplex escapement, a peculiar kind of watch escapement, in which the scape-wheel has two sets of teeth. See Escapement. -- Duplex lathe, one for turning off, screwing, and surfacing, by means of two cutting tools, on opposite sides of the piece operated upon. -- Duplex pumping engine, a steam pump in…
DUTCHMAN n.
nd. Dutchman's breeches (Bot.), a perennial American herb (Dicentra cucullaria), with peculiar double-spurred flowers. See Illust. of Dicentra. -- Dutchman's laudanum (Bot.), a West Indian passion flower (Passiflora Murucuja); also, its fruit. -- Dutchman's pipe (Bot.), an American twining shrub (Aristolochia Sipho).…