GNU Collaborative International Dictionary of English

Found one definition

1.       
   Cheapen , v. t. [imp. & p. p. Cheapened ; p. pr. & vb. n. Cheapening.] [OE. cheapien, chepen, to trade, buy, sell, AS. ceápian; akin to D. koopen to buy, G. kaufen, Icel. kaupa, Goth. kaupōn to trade. Cf. Chap to bargain.]
   To ask the price of; to bid, bargain, or chaffer for. [Obsoles.]
   1913 Webster
   Pretend to cheapen goods, but nothing buy.
   Swift.
   
   1913 Webster
   [Cf. Cheap, a.] To beat down the price of; to lessen the value of; to depreciate.
   Pope.
   
   1913 Webster
   My proffered love has cheapened me.
   Dryden.
   
   1913 Webster