b home Hannah Davis bath [bath, bahth] –noun 1. a washing or immersion of something, especially the body, in water, steam, etc., as for cleansing or medical treatment: I take a bath every day. Give the dog a bath. 2. a quantity of water or other liquid used for this purpose: running a bath. 3. a container for water or other cleansing liquid, as a bathtub. 4. a room equipped for bathing; bathroom: The house has two baths. a b c d e f g h i j k l m n o p q r s t u v w x y z back basket balloon bat bamboo banana band basketball bathroom baton be-bin bath bag