tablespoonEnglishOxford Dictionary of Englishtablespoon /ˈteɪblspuːn / ▸ 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 cooking. – DERIVATIVES tablespoonful /ˈteɪblˌspuːnfʊl / noun (plural tablespoonfuls)