Hematoma

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Hematoma \Hem`a*to"ma\ (h[=e]`m[.a]*t[=o]"m[.a] or
     h[e^]m`[.a]*t[=o]"m[.a]), n. [NL. See {Hema-}, and {-oma}.]
     (Med.)
     A localised leakage of blood from the blood vessels into
     nearby tissues, usually confined within a tissue or organ;
     especially, a local swelling produced by an effusion of blood


     beneath the skin, which may clot and discolor the affected
     area.
     [1913 Webster]

From WordNet (r) 2.0 [wn]:

  hematoma
       n : a localized swelling filled with blood [syn: {haematoma}]
       [also: {hematomata} (pl)]