INJECT
In*ject", v. t. [imp. & p. p. Injected; p. pr. & vb. n. Injecting.]
Etym: [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. Cæsar also, then hatching tyranny, injected the same scrupulous demurs. Milton.

3. To cast or throw; — with on. [R.] And mound inject on mound. Pope.

4. (Anat.)

Defn: To fill (a vessel, cavity, or tissue) with a fluid or other substance; as, to inject the blood vessels.

INJECTION
In*jec"tion, n. Etym: [L. injectio : cf.F. injection.]

1. The act of injecting or throwing in; — applied particularly to the forcible throwing in of a liquid, or aëriform body, by means of a syringe, pump, etc.

2. That which is injected; especially, a liquid medicine thrown into a cavity of the body by a syringe or pipe; a clyster; an enema. Mayne.

3. (Anat.) (a) The act or process of filling vessels, cavities, or tissues with a fluid or other substance. (b) A specimen prepared by injection.