[f. BAIL v.4 + -ER1.] He who or that which bails water out; a man employed to bail out a ship; a utensil used for this purpose, a machine constructed to lift and throw out water from a pit, etc.

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1883.  Kingston, Paddy Finn, xv. 190. There was no bailer; but I had seized my hat.

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1883.  Century Mag., July, 330/1. The ‘sand-pump’ and ‘bailer,’ employed to take up and hoist out the pulverized rock and water.

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1883.  Daily News, 15 Sept., 2/7. (Shipping), [Ship] Hardwick … half full of water … Bailers have been employed.

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