Bathtub is a common noun referring to a tub filled with water for bathing. It typically denotes a bathroom fixture designed for washing the body, and can be used in phrases like “bath tub” in some varieties. In everyday speech, it’s a two-syllable word with primary stress on the first syllable: /ˈbæˌθʌb/ (US/UK) or /ˈbæˌtʌb/ in some accents, depending on cliticization and regional pronunciation.
Full pronunciation guide
