1. A familiar or pet form of the proper name Jane.

2. (Zoöl.)

Defn: A familiar name of the European wren. Jenny ass (Zoöl.), a female ass.

JENNY Jen"ny, n. Etym: [A corruption of gin an engine; influenced by Jenny, the proper name. See Gin an engine, and cf. Ginny-carriage.]

Defn: A machine for spinning a number of threads at once, — used in factories.

JENTLING
Jent"ling, n. (Zoöl.)

Defn: A fish of the genus Leuciscus; the blue chub of the Danube.

JEOFAIL
Jeof"ail, n. Etym: [F. j'ai failli I have failed.] (Law)

Defn: An oversight in pleading, or the acknowledgment of a mistake or oversight. Blackstone.

JEOPARD
Jeop"ard, v. t. [imp. & p. p. Jeoparded; p. pr. & vb. n. Jeoparding.]
Etym: [From Jeopardy.]