Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Botany Having saw-toothed divisions directed backward: runcinate leaves.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Having tooth-like projections pointing away from the apex.
  • adj. Having a lacerated aspect with the projection pointing away from the apex, like dandelion leaves.

from the GNU version of the Collaborative International Dictionary of English

  • adj. Pinnately cut with the lobes pointing downwards, as the leaf of the dandelion.

from The Century Dictionary and Cyclopedia

  • In botany, irregularly saw-toothed or pinnately incised, with the lobes or teeth hooked backward: said chiefly of leaves, as those of the dandelion.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. having incised margins with the lobes or teeth pointing toward the base; as dandelion leaves

Etymologies

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.
(American Heritage® Dictionary of the English Language, Fourth Edition)

Examples

  • The movement brought the stern to view, with all its garniture-Tritons like those at the bow; name in large raised letters; the rudder at the side; the elevated platform upon which the helmsman sat, a stately figure in full armour, his hand upon the rudder-rope; and the aplustre, high, gilt, carved, and bent over the helmsman like a great runcinate leaf.

    Ben-Hur, a tale of the Christ

  • See, Miss Esther, look at these runcinate leaves. '

    A Red Wallflower

  • The inner ones may be linear or linear-lanceolate, with or without appendages below the tip; the outer ones may be similar and only shorter, or noticeably larger, erect, spreading or even reflexed, and the color of the involucre may be a pure green or glaucous; the leaves may be nearly entire or pinnatifid, or sinuate-dentate, or very deeply runcinate-pinnatifid, or even pinnately divided, the whole plant being more or less glabrous.

    Species and Varieties, Their Origin by Mutation

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