Tadpole

n.	1.	(Zool.) The young aquatic larva of any amphibian. In this stage it breathes by means of external or internal gills, is at first destitute of legs, and has a finlike tail. Called also polliwig, polliwog, porwiggle, or purwiggy.
	2.	(Zool.) The hooded merganser. Tadpole fish a - (Zool.) See Forkbeard (a).

Noun

1.

tadpole - a larval frog or toad Synonyms: polliwog, pollywog

amphibian, batrachian, birdling, bullfrog, calf, catling, chick, chickling, chicky, colt, croaker, cub, dogie, duckling, fawn, fledgling, foal, frog, fryer, gosling, hoppytoad, hoptoad, kid, kit, kitten, lamb, lambkin, litter, nest, nestling, newt, paddock, piglet, pigling, polliwog, pullet, pup, puppy, salamander, shoat, toad, tree frog, tree toad, weaner, whelp, yeanling