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Webster 1913 Edition
Trichome
Trich′ome
,Noun.
 [See 
Trichomatose
.] (Bot.) 
A hair on the surface of leaf or stem, or any modification of a hair, as a minute scale, or star, or gland. The sporangia of ferns are believed to be of the nature of trichomes. 
– Tri-chom′a-tous 
(#)
, Adj.