abbreviation for (in Britain, formerly)
Examples from the Web for onc
Historical Examples of onc
It'll be full all I kin manage to onc't—that and the pianner.Elder Conklin
Then my brother was onc't drowned in the North Platt, and I never had any sisters.Cressy
Dat is where mon onc' 'Lias he bring in de King's ship and de privator.
"Hit wa'n' onc't en it wa'n' twice," said Sampson thoughtfully.The Voice of the People
Say, then, wherever dere is troub' mon onc' 'Lias he is there, he stan' outside de troub' an' look on—dat is his hobby.