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Having saw-toothed divisions directed away from the apex: runcinate leaves.
[Latin runcinātus, past participle of runcināre, to plane, from runcina, carpenter's plane, formerly taken to mean saw, alteration (influenced by runcāre, to weed, pluck) of Greek rhukanē, carpenter's plane.]
(Botany) (of a leaf) having a saw-toothed margin with the teeth or lobes pointing backwards
[C18: from New Latin runcīnātus, from Latin runcīnāre to plane off, from runcīna a carpenter's plane]