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bathtub

noun [C]
 
 
/ˈbɑːθ.tʌb/ US  /ˈbæθ-/ (also tub)

Definition

B1 mainly US for bath nounBathroom fixtures and fittings
(Definition of bathtub noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of bathtub