n. A swelling of blood, usually clotted, which forms as a result of a broken blood vessel.
the GNU version of the Collaborative International Dictionary of English
n. 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.
The Century Dictionary and Cyclopedia
n. In pathology, a swelling filled with extravasated blood. Also hematome, hæmatome.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. a localized swelling filled with blood
Word Usage
"Last winter, he developed a hematoma, which is a pooling of blood, on the stump."