D defs.my
Entry 2 senses Webster, 1913

Embolus

· Em·bo·lus · IPA /ˈɛmbələs/
01 n. Something inserted, as a wedge; the piston or sucker of a pump or syringe.
pl. Emboli ((#))
  1. 1.
    Something inserted, as a wedge; the piston or sucker of a pump or syringe.
  2. 2.
    A plug of some substance lodged in a blood vessel, being brought thither by the blood current. It consists most frequently of a clot of fibrin, a detached shred of a morbid growth, a globule of fat, or a microscopic organism.(Med.)