the stalk by which a leaf is attached to a stem
in insects, etc, a slender stalk joining two larger parts or structures, such as the narrow waist-like part of the bodies of bees, ants, wasps, etc; = pedicel
petiolar /-ʹohlə/ adj
petiolate /-layt, -lət/ adj
petiolated /-laytid/ adj
petioled adj
[French pétiole from Latin petiolus small foot, fruit stalk, from ped-, pes foot]