tar pit(redirected from Tar pits)
Also found in: Thesaurus.
An accumulation of natural bitumen at the earth's surface, especially one that traps animals and preserves their bones and other hard parts.
a seepage of natural tar or asphalt, esp. an accumulation that has animal bones preserved within it.
An accumulation of natural tar or asphalt at the Earth's surface, especially one that traps animals and preserves their bones.