Wordnet 3.0
NOUN (1)
1.
a cystic tumor (usually benign) with a wall lined with epithelium and a cavity containing other material;
The Collaborative International Dictionary of English v.0.48:
Dermoid \Der"moid\, a. [Derm + -oid: cf. F. dermo["i]de.]
Same as Dermatoid.
[1913 Webster]
Dermoid cyst (Med.), a cyst containing skin, or structures
connected with skin, such as hair.
[1913 Webster]
WordNet (r) 3.0 (2006):
dermoid cyst
n 1: a cystic tumor (usually benign) with a wall lined with
epithelium and a cavity containing other material