tablespoonPronunciation: /ˈteɪb(ə)lspuːn/Translate tablespoon | into French | into German | into Italian | into Spanish Definition of tablespoon noun a large spoon for serving food. (abbreviation: tbsp or tbs) the amount held by a tablespoon, in the UK considered to be 15 millilitres when used as a measurement in cookery. Derivatives tablespoonful noun (plural tablespoonfuls)tablespoon in other Oxford dictionaries Definition of tablespoon in the US English dictionary