Definitions of tomentum
  1. noun
    a network of tiny blood vessels between the cerebral surface of the pia mater and the cerebral cortex
    synonyms: tomentum cerebri
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    type of:
    capillary, capillary vessel
    any of the minute blood vessels connecting arterioles with venules
  2. noun
    filamentous hairlike growth on a plant
    synonyms: fuzz, hair
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    stinging hair
    a multicellular hair in plants like the stinging nettle that expels an irritating fluid
    a tuft or growth of hairs or bristles on certain plants such as iris or grasses
    slender bristlelike appendage found on the bracts of grasses
    type of:
    enation, plant process
    a natural projection or outgrowth from a plant body or organ
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