Search Result for "bait and switch":
Wordnet 3.0

NOUN (1)

1. a deceptive way of selling that involves advertising a product at a very low price in order to attract customers who are then persuaded to switch to a more expensive product; 



WordNet (r) 3.0 (2006):

bait and switch
    n 1: a deceptive way of selling that involves advertising a
         product at a very low price in order to attract customers
         who are then persuaded to switch to a more expensive
         product