EMBOLISM
embolism
(noun) occlusion of a blood vessel by an embolus (a loose clot or air bubble or other particle)
embolism, intercalation
(noun) an insertion into a calendar
Source: WordNet® 3.1
Etymology
Noun
embolism (plural embolisms)
(pathology) An obstruction or occlusion of an artery by an embolus, that is by a blood clot, air bubble or other matter that has been transported by the blood stream.
The insertion or intercalation of days into the calendar in order to correct the error arising from the difference between the civil year and the solar year.
An intercalated prayer for deliverance from evil coming after the Lord's Prayer.
Source: Wiktionary
Em"bo*lism, n. Etym: [L. embolismus, from Gr. embolisme. See Emblem.]
1. Intercalation; the insertion of days, months, or years, in an
account of time, to produce regularity; as, the embolism of a lunar
month in the Greek year.
2. Intercalated time. Johnson.
3. (Med.)
Definition: The occlusion of a blood vessel by an embolus. Embolism in the
brain often produces sudden unconsciousness and paralysis.
Source: Webster’s Unabridged Dictionary 1913 Edition