† ˈongletObs.rare. [a. F. onglet ‘ungula of a petal’ dim. of ongle claw.] The claw of a petal. 1725Bradley Fam.Dict.s.v.Rose, They cut off the Onglets with a Pair of Scissars, that is, that small white part the Roses have at the Extremity of their Leaves.