rebate rebate /ˈriːˌbeɪt/

noun

1. A rectangular groove made to hold two pieces together  ( rabbet , rebate )
   a rectangular groove made to hold two pieces together
   
   
2. A refund of some fraction of the amount paid  ( discount , rebate )
   a refund of some fraction of the amount paid
   

verb

1. Join with a rebate  ( rebate )
   join with a rebate
    Rebate the pieces of timber and stone
   rebate the pieces of timber and stone
   
2. Cut a rebate in (timber or stone)  ( rebate )
   cut a rebate in (timber or stone)
   
3. Give a reduction in the price during a sale  ( rebate )
   give a reduction in the price during a sale
    The store is rebating refrigerators this week
   The store is rebating refrigerators this week