BILLY
billy, billy goat, he-goat
(noun) male goat
truncheon, nightstick, baton, billy, billystick, billy club
(noun) a short stout club used primarily by policemen
Source: WordNet® 3.1
Etymology
Proper noun
Billy
A diminutive of the male given name William.
(US, nickname) The B-25 twin-engine bomber aircraft used during World War Two, commonly called the "B-25 Mitchell" in honor of U.S. Army General William "Billy" Mitchell.
Etymology
Noun
billy (plural billies)
A billy club.
A billy goat.
A male goat; a ram.
(Geordie) A good friend.
(Australia, New Zealand) A tin used by bushmen to boil tea; a billycan; a billypot.
(slang) A condom (from the E-Rotic song "Willy, Use a Billy... Boy")
A slubbing or roving machine.
Source: Wiktionary
Bil"ly, n.
1. A club; esp., a policeman's club.
2. (Wool Manuf.)
Definition: A slubbing or roving machine.
Source: Webster’s Unabridged Dictionary 1913 Edition