Laboratory

lab'or-a-tor-i, n. a chemist’s -work- room a place where scientific experiments are systematically carried on place for the manufacture of arms and war-material a place where — anything is prepared for Use. [L, labor are labor work.] Laborious, la-bC'ri-us, adj full of labour: toilsome wearisome devoted to labour industrious.—^?'. Labo'riously.—n Labo'riousne . [Fr. laborieux—L. labonosus—labor Labour, labor, «, toil or exertion, esp when fatiguing work pains duties a task requiring hard work the pangs of childbirth. v.i to undergo labour to work to take pains to be oppre ed to move slowly to be in travail (naut.) to pitch and roll heavily. [Fr labour - L. labor [or elfort m the execution