Wordnet 3.0
NOUN (1)
1.
a skin problem marked by the development (on the eyelids and neck and back) of irregular yellow nodules;
sometimes attributable to disturbances of cholesterol metabolism;
The Collaborative International Dictionary of English v.0.48:
Xanthoma \Xan*tho"ma\, n. [NL. See Xantho-, and -oma.]
(Med.)
A skin disease marked by the development or irregular
yellowish patches upon the skin, especially upon the eyelids;
-- called also xanthelasma.
[1913 Webster]
WordNet (r) 3.0 (2006):
xanthoma
n 1: a skin problem marked by the development (on the eyelids
and neck and back) of irregular yellow nodules; sometimes
attributable to disturbances of cholesterol metabolism