- Lunar days - The moon's age at the beginning of the calendar year, or the
number of days by which the last new moon has preceded the beginning of
the year.
- Clot in a blood vessel - Obstruction of artery - 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. - Intercalated time. - The occlusion of a blood vessel by an embolus. Embolism
in the brain often produces sudden unconsciousness and paralysis.