NOUN (1)

1. a decoy who acts as an enthusiastic customer in order to stimulate the participation of others;


VERB (1)

1. act as a shill;
- Example: "The shill bid for the expensive carpet during the auction in order to drive the price up"

The Collaborative International Dictionary of English v.0.48:

Shill \Shill\, v. t.
   To shell. [Obs. or Prov. Eng.]
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Shill \Shill\, v. t. [Cf. Sheal.]
   To put under cover; to sheal. [Prov.ng.] --Brockett.
   [1913 Webster] Shillalah

WordNet (r) 3.0 (2006):

shill
    n 1: a decoy who acts as an enthusiastic customer in order to
         stimulate the participation of others
    v 1: act as a shill; "The shill bid for the expensive carpet
         during the auction in order to drive the price up"

Moby Thesaurus II by Grady Ward, 1.0:

19 Moby Thesaurus words for "shill":
   agent provocateur, bid, bid in, bid up, blind, bonnet, booster,
   by-bidder, capper, come-on man, decoy, make a bid, make an offer,
   offer, offer to buy, plant, stick, stool pigeon, stoolie