[1] : WordNet (r) 2.0

straw vote
     n : an unofficial vote taken to determine opinion on some issue
         syn: straw poll
see also:
straw poll 

[2] : Moby Thesaurus II by Grady Ward, 1.0

63 moby thesaurus words for "straw vote":
   australian ballot, hare system, aye, ballot, barometer, canvass,
   canvassing, casting vote, counting heads, cumulative voting,
   deciding vote, division, enfranchisement, fagot vote, feeler,
   franchise, graveyard vote, hand vote, list system, nay, no,
   nontransferable vote, pilot balloon, plebiscite, plebiscitum,
   plumper, plural vote, poll, polling, preferential voting, probe,
   proportional representation, proxy, random sample, record vote,
   referendum, representation, right to vote, rising vote, sample,
   say, secret ballot, show of hands, single vote, snap vote, sound,
   sounder, suffrage, transferable vote, trial balloon, viva voce,
   voice, voice vote, vote, voting, voting right, weather vane,
   weathercock, write-in, write-in vote, yea, yeas and nays, yes

Straw Vote >> S Words
Straw Vote, definition of term: Straw Vote
straw+vote_pag1.html

Straw >> S Words
Straw, definition of term: Straw
straw_pag1.html

Vote >> V Words
Vote, definition of term: Vote
vote_pag1.html

Straw Man >> S Words
Straw Man, definition of term: Straw Man
straw+man_pag1.html

Straw Boss >> S Words
Straw Boss, definition of term: Straw Boss
straw+boss_pag1.html

Casting Vote >> C Words
Casting Vote, definition of term: Casting Vote
casting+vote_pag1.html

Man Of Straw >> M Words
Man Of Straw, definition of term: Man Of Straw
man+of+straw_pag1.html