v. t.

  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.
  3. To cast or throw; -- with on.
  4. To fill (a vessel, cavity, or tissue) with a fluid or other substance; as, to inject the blood vessels.