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a. An open, flat-bottomed vessel, usually round and typically wider than it is deep, used for washing, packing, or storing.
b. The amount that such a vessel can hold.
c. The contents of such a vessel.
a. A bathtub.
b. Informal A bath taken in a bathtub.
3. Informal A wide, clumsy, slow-moving boat.
a. A bucket used for conveying ore or coal up a mine shaft.
b. A coal car used in a mine.
v. tubbed, tub·bing, tubs
1. To pack or store in a tub.
2. To wash or bathe in a tub.
To take a bath.
[Middle English, from Middle Dutch or Middle Low German tubbe.]