From WordNet (r) 3.0 (2006) [wn]:
Jersey
n 1: a Mid-Atlantic state on the Atlantic; one of the original
13 colonies [syn: New Jersey, Jersey, Garden State,
NJ]
2: the largest of the Channel Islands [syn: Jersey, {island of
Jersey}]
3: a close-fitting pullover shirt [syn: jersey, T-shirt,
tee shirt]
4: a slightly elastic machine-knit fabric
5: a breed of diary cattle developed on the island of Jersey
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Jersey \Jer"sey\, n.; pl. Jerseys. [From Jersey, the largest
of the Channel Islands.]
[1913 Webster]
1. The finest of wool separated from the rest; combed wool;
also, fine yarn of wool.
[1913 Webster]
2. A kind of knitted jacket; hence, in general, a
closefitting jacket or upper garment made of an elastic
fabric (as stockinet).
[1913 Webster]
3. One of a breed of cattle in the Island of Jersey. Jerseys
are noted for the richness of their milk.
[1913 Webster]