A lump of solidified crude oil found in or on the sea, or washed up on shore.
More example sentences
- Of course, locals are nervous regardless of whether the tar balls washed up.
- US authorities estimated the oil from the Gulf spill could push "tar balls" into the Mississippi river.
- You're going to see tar balls near the water.
More definitions of tar ballDefinition of tar ball in:
- The US English dictionary