The muddy sediment of tanpits, dried and used for fuel.

plural of fish ball

plural of ball of chalk

(UK, rhyming slang) A walk.

plural of bird ball

Synonym of shade ball

A small plastic sphere floated in large numbers on top of a reservoir, pool, etc. to slow evaporation, block sunlight, or deter birds from landing.

plural of shade ball

Characteristic of a ball.

plural of game ball