n. A large container for holding water in which a person may bathe (take a bath).
the GNU version of the Collaborative International Dictionary of English
n. A relatively large tub used to take a bath, usually a permanent fixture in a bathroom; it is an open container that is filled with water, in which a person immerses himself for the purpose of washing the body.
The Century Dictionary and Cyclopedia
n. A tub to bathe in: in the usual form, approximately of the length of the body, and often permanently fixed in a bath-room. Also called bathing-tub.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. a relatively large open container that you fill with water and use to wash the body
Word Usage
"With all these features, the walk-in bathtub is a very cool 1.4 m (55-inch) long solution for small bathrooms."