Found 2 items, similar to thrombus.
English → English (WordNet) Definition: thrombus thrombus n : a blood clot formed within a blood vessel and remaining attached to its place of origin [also: thrombi (pl)]
English → English (gcide) Definition: Thrombus Thrombus \Throm"bus\, n.; pl. Thrombi. [NL., fr. Gr. ? a lump, a clot of blood.] (Med.) (a) A clot of blood formed of a passage of a vessel and remaining at the site of coagulation. (b) A tumor produced by the escape of blood into the subcutaneous cellular tissue. [1913 Webster] [1913 Webster]