A utensil, as a bucket or cup, used in bailing; a machine for bailing water out of a pit.(noun)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "bailer" in a sentence
"- A bailer is the most commonly used tool in loose soils."
"For example, a bailer, which is essentially a hollow tube with a valve at the bottom end, can be lowered to the bottom of the hole and then dropped, to pick up the drill cuttings."
"It is the spawn case or the receptacle of the ova (if that term be allowable), and the cradle of what is commonly known as the bailer shell (CYMBIUM AETHIOPICUM) the"