To·men·tum n.; pl. Tomenta   Bot. The closely matted hair or downy nap covering the leaves or stems of some plants.
  ◄ ►
  tomentum
       n 1: filamentous hairlike growth on a plant; "peach fuzz" [syn: hair,
             fuzz]
       2: a network of tiny blood vessels between the cerebral surface
          of the pia mater and the cerebral cortex [syn: tomentum
          cerebri]
       [also: tomenta (pl)]