The Collaborative International Dictionary of English v.0.48:

Coquet \Co*quet"\, v. t. [imp. & p. p. Coquetted; p. pr. & vb.
   n. Coquetting.]
   To attempt to attract the notice, admiration, or love of; to
   treat with a show of tenderness or regard, with a view to
   deceive and disappoint.
   [1913 Webster]

         You are coquetting a maid of honor.      --Swift.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Coquet \Co*quet"\, v. i.
   To trifle in love; to stimulate affection or interest; to
   play the coquette; to deal playfully instead of seriously; to
   play (with); as, we have coquetted with political crime.
   [1913 Webster]

WordNet (r) 3.0 (2006):

coquet
    v 1: talk or behave amorously, without serious intentions; "The
         guys always try to chat up the new secretaries"; "My
         husband never flirts with other women" [syn: chat up,
         flirt, dally, butterfly, coquet, coquette,
         romance, philander, mash]