Pŏl'li-wĭg, n.
n. [Probably corrupted from periwig.] A tadpole. [Written also purwiggy and porwigle, and in the United States vulgarly written and pronounced polliwog.] Forby. That which is engendered and brought forth is, as it were, some little mites of blackish flesh, which they call “tadpoles,” or polliwigs. Holland.