Definition from Wiktionary, the free dictionary
From Ancient Greek ἔμβολον (embolon, “wedge, plug”)
embolon (plural embola)
- A blood clot or swelling, particularly one that blocks an artery.
- (archaic) A battering-ram on a warship.
- (archaic) A military formation, usually shaped like a wedge.
- (rare, archaic) Anything wedge-shaped.
- For usage examples of this term, see the citations page.