embolism

noun

1. pathologyAn obstruction or occlusion of an blood vessel by an embolus, that is by a blood clot, air bubble or other matter that has been transported by the blood stream.

2. 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.

3. christianityAn intercalated prayer for deliverance from evil coming after the Lord's Prayer.

4. roman catholicismThe variable body of a liturgical preface, between the protocol and eschatocol, typically stating the motive for worship on a given day.