petiolePronunciation: /ˈpɛtɪəʊl/Definition of petiole noun 1 Botany the stalk that joins a leaf to a stem. 2 Zoology a slender stalk between two structures, especially that between the abdomen and thorax of a wasp or ant. Derivatives petiolar adjective petiolatePronunciation: /-lət/ adjective Origin: mid 18th century: from French pétiole, from Latin petiolus 'little foot, stalk'petiole in other Oxford dictionaries Definition of petiole in the US English dictionary
