Main Entry: he·ma·to·ma

Variant(s): or chiefly British hae·ma·to·ma \-ˈtō-mə\

Function: noun

Inflected Form(s): plural he·ma·to·mas also -ma·ta \-mət-ə\

: a mass of usually clotted blood that forms in a tissue, organ, or body space as a result of a broken blood vessel