baldy
1. adjective
(of a tyre) with a worn tread AUSTRALIA, 1979
2. noun
1
a worn tyre; in the US, especially in hot rodding and drag racing US, 1965.
2
a Hereford cow. This breed of cattle has a white face or head AUSTRALIA, 1887.
3
the white-headed pigeon, endemic to Australia AUSTRALIA, 1969.
4
an artist's model denuded of pubic hair UK, 1984