Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A covering of dense matted hairs.

from The Century Dictionary.

  • noun In botany, a species of pubescence, consisting of longish, soft, entangled hairs, pressed close to the surface.
  • noun In anatomy, the flocculent inner surface of the pia mater: more fully called tomentum cerebri.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Bot.) The closely matted hair or downy nap covering the leaves or stems of some plants.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun botany A mass of filamentous hairs on the leaf of a plant.
  • noun zoology A covering of fine, soft hairs; a pubescence.
  • noun anatomy A network of fine blood vessels between the pia mater and the cerebral cortex.

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

  • noun filamentous hairlike growth on a plant
  • noun a network of tiny blood vessels between the cerebral surface of the pia mater and the cerebral cortex

Etymologies

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

[Latin tōmentum, cushion stuffing.]

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