D defs.my
Entry 1 sense Webster, 1913

Hematoma

/(hē`mȧ*tō"mȧ [or] hĕm`ȧ*tō"mȧ)/ · Hem·a·to·ma · IPA /ˌhiməˈtoʊmə/
01 n. A localised leakage of blood from the blood vessels into nearby tissues, usually confined within a tissue or organ; especially, a local swe…
  1. 1.
    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.(Med.)