embolus
Pronunciation: /ˈɛmbələs/
Definition of embolus
noun ( plural emboli /-lʌɪ, iː/)
Origin:
mid 17th century (denoting something inserted or moving within another, specifically the plunger of a syringe): from Latin, literally 'piston', from Greek embolos 'peg, stopper'. The current sense dates from the mid 19th century