Meanings of polliwog in английском

One white boy called me a polliwog, and I thought a wog must be something bad.

The tadpole, or polliwog, becomes a frog.

The result was one of those quick India-rubber scuffles fearful to behold but delightful to human nature in its polliwog state.

In those early days, it had been only a faint polliwog of mist, moving slowly through the constellation of Eridanus, just south of the Equator.

He talked about this symbol, like two polliwogs, one black, one white.

They were a long distance from the water, and had evidently been hatched on the land, and had never been polliwogs.

"Couldn't you transform 'em into polliwogs?"