jill

Short definition from Wiktionary

Verb

1. 1
   To masturbate.

Noun

1. 1
   A female ferret.
2. 2
   Misspelling of gill.
3. 3
   A pelvic protector, a woman’s equivalent of a man’s jock.
4. 4
   A young woman; a sweetheart; like the variant spelling Gill it was also associated with various assertive uses of the term flirt, as in flurt-gills (used by William Shakespeare for a 'woman of light or loose behavior').
5. 5
   A jillstrap: the female counterpart to a jockstrap.

Proper noun

1. 1
   A female given name from Latin.
2. 2
   A female given name from Latin: Clipping of Jillian.
3. 3
   A generic use for any female (as Sheila in Australian English), especially paired (since the 15th c., compare Ienken and Iulyan) with the male Jack.