BATTENER,
an Ox; The Cove has hushed the Battener; i.e. He has killed the Ox, in revenge on some Farmer, who, perhaps, had got him sent to the House of Correction.
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Entry taken from 1736 Canting Dictionary, by Nathan Bailey.
The Vulgar Tongue originally collected by Grose, 1811.
Also see examples in Canting Songs and Slang Rhymes collected by John S. Farmer (1896).