Source : Webster's Revised Unabridged Dictionary (1913)

Inject \In*ject"\, v. t. [imp. & p. p. {Injected}; p. pr. & vb.
   n. {Injecting}.] [L. injectus, p. p. of inicere, injicere, to
   throw in; pref. in- in + jacere to throw: cf. F. injecter.
   See {Jet} a shooting forth.]
   1. To throw in; to dart in; to force in; as, to inject cold
      water into a condenser; to inject a medicinal liquid into
      a cavity of the body; to inject morphine with a hypodermic
      syringe.

   2. Fig.: To throw; to offer; to propose; to instill.

            C[ae]sar also, then hatching tyranny, injected the
            same scrupulous demurs.               --Milton.

   3. To cast or throw; -- with on. [R.]

            And mound inject on mound.            --Pope.

Source : WordNet®

inject
     v 1: give an injection to; "We injected the glucose into the
          patient's vein" [syn: {shoot}]
     2: to introduce (a new aspect or element); "He injected new
        life into the performance"
     3: force or drive (a fluid or gas) into by piercing; "inject
        hydrogen into the balloon" [syn: {shoot}]
     4: take by injection; "inject heroin"
     5: feed intravenously
     6: to insert between other elements; "She interjected clever
        remarks" [syn: {interject}, {come in}, {interpose}, {put
        in}, {throw in}]