Ecchymosis

n.

1.

(Med.) A livid or black and blue spot, produced by the extravasation or effusion of blood into the areolar tissue from a contusion.

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

ECCHYMOSIS, med. jur. Blackness. It is an extravasation of blood by rupture of capillary vessels, and hence it follows contusion; but it may exist, as in cases of scurvy, and other morbid conditions, without the latter. Ryan's Med. Jur. 172.

bruise, contusion