Main Entry: xan·tho·ma

Pronunciation: \zan-ˈthō-mə\

Function: noun

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

: a fatty irregular yellow patch or nodule containing lipid-filled foam cells that occurs on the skin (as of the eyelids, neck, or back) or in internal tissue and is associated especially with disturbances of lipid metabolism