%embolism%

n. [ L. embolismus, from Gr. &unr_; to throw or put in, insert; cf. &unr_; intercalated: cf. F. 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. [ 1913 Webster ]

2. Intercalated time. Johnson. [ 1913 Webster ]

3. (Med.) The occlusion of a blood vessel by an embolus. Embolism in the brain often produces sudden unconsciousness and paralysis. [ 1913 Webster ]