From WordNet (r) 3.0 (2006) [wn]:
jean
n 1: (usually plural) close-fitting trousers of heavy denim for
manual work or casual wear [syn: jean, blue jean,
denim]
2: a coarse durable twill-weave cotton fabric [syn: denim,
dungaree, jean]
From The Collaborative International Dictionary of English v.0.48 [gcide]:
jean \jean\ (j[=a]n), n. [Prob. named from Genoa. See Jane.]
1. A twilled cotton cloth.
[1913 Webster]
2. (pl.) (j[=e]nz), Same as blue jeans.
[PJC]
3. (pl.) (j[=e]nz), Pants made of different fabrics,
resembling blue jeans.
[PJC]
Satin jean, a kind of jean woven smooth and glossy, after
the manner of satin.
[1913 Webster]
From The Free On-line Dictionary of Computing (8 July 2008) [foldoc]:
JEAN
<language> A dialect of JOSS.
[Details?]
(1997-09-14)