v. To inclose; to infold.v. To use; to have in service; to cause to be engaged in doing something; -- often followed by in, about, on, or upon, and sometimes by to; as: (a) To make use of, as an instrument, a means, a material, etc., for a specific purpose; to applyv. To occupy; as, to employ time in study.v. To have or keep at work; to give employment or occupation to; to intrust with some duty or behest.n. That which engages or occupies a person; fixed or regular service or business; employment.