ecchymosis Meaning, Definition & Usage

  1. noun the purple or black-and-blue area resulting from a bruise
  2. noun the escape of blood from ruptured blood vessels into the surrounding tissue to form a purple or black-and-blue spot on the skin

WordNet

Ec`chy*mo"sis noun
Etymology
NL., fr. Gr. , fr. to extravasate; out of + to pour.
Wordforms
plural Ecchymoses
Definitions
  1. (Med.) A livid or black and blue spot, produced by the extravasation or effusion of blood into the areolar tissue from a contusion.

Webster 1913