TOMENTUM
tomentum, tomentum cerebri
(noun) a network of tiny blood vessels between the cerebral surface of the pia mater and the cerebral cortex
hair, fuzz, tomentum
(noun) filamentous hairlike growth on a plant; “peach fuzz”
Source: WordNet® 3.1
Noun
tomentum (plural tomenta)
(botany) A mass of filamentous hairs on the leaf of a plant.
(zoology) A covering of fine, soft hairs; a pubescence.
(anatomy) A network of fine blood vessels between the pia mater and the cerebral cortex.
Source: Wiktionary
To*men"tum, n.; pl. Tomenta. Etym: [L. See Tomentose. ] (Bot.)
Definition: The closely matted hair or downy nap covering the leaves or
stems of some plants.
Source: Webster’s Unabridged Dictionary 1913 Edition