a return of part of a payment a tax rebatea deduction from a sum before payment; a discount a 10% rebate
to give (somebody) a rebate to, e.g. on tax paymentsto make a rebate of (something)rebatable adj[early French rabattre to beat down again, reduce, from re- + abattre to fell, from Latin battuere]
a groove or step cut into the edge of a piece of wood to which another piece is to be joined by means of a corresponding groove or step [alteration of rabbet1, via Middle English rabat from early French, literally ‘act of beating down’, from rabattre: see rebate2]