Source : Webster's Revised Unabridged Dictionary (1913)

Wiggler \Wig"gler\, n. (Zo["o]l.)
   The young, either larva or pupa, of the mosquito; -- called
   also {wiggletail}.

Source : WordNet®

wiggler
     n 1: one who can't stay still (especially a child); "the toddler
          was a real wiggler on plane trips" [syn: {wriggler}, {squirmer}]
     2: larva of a mosquito [syn: {wriggler}]
     3: terrestrial worm that burrows into and helps aerate soil;
        often surfaces when the ground is cool or wet; used as
        bait by anglers [syn: {earthworm}, {angleworm}, {fishworm},
         {fishing worm}, {nightwalker}, {nightcrawler}, {crawler},
         {dew worm}, {red worm}]