Rebate - Definition
rebate
n 1: a refund of some fraction of the amount paid [syn:
rebate, discount]
2: a rectangular groove made to hold two pieces together [syn:
rabbet, rebate]
v 1: give a reduction in the price during a sale; "The store is
rebating refrigerators this week"
2: cut a rebate in (timber or stone)
3: join with a rebate; "rebate the pieces of timber and stone"