The Collaborative International Dictionary
Steatoma
Steatoma \Ste`a*to"ma\ (-t[=o]"m[.a]), n. [L., fr. Gr. stea`twma, fr. steatoy^n to turn into tallow or suet, fr. ste`ar, -atos, fat, suet.] (Med.) A cyst containing matter like suet.
Wiktionary
steatoma
n. (context medicine English) A cyst containing matter like suet.