to hire or engage the services of (a person or persons); provide employment for; have or keep in one's service: This factory employs thousands of people.
2.
to keep busy or at work; engage the attentions of: He employs himself by reading after work.
3.
to make use of (an instrument, means, etc.); use; apply: to employ a hammer to drive a nail.
4.
to occupy or devote (time, energies, etc.): I employ my spare time in reading. I employ all my energies in writing.
Origin: 1425–75; late Middle English employen < Anglo-French, Middle French emploier ≪ Latin implicāre to enfold (Late Latin: to engage); see implicate
mid-15c., from M.Fr. employer, from O.Fr. empleier, from L. implicare "enfold, involve, be connected with," from in- "in" + plicare "to fold" see ply (v.)). Sense of "hire, engage" first recorded in English 1580s, from "involve in a particular purpose."