Word Study
trichome
CIDE DICTIONARY
trichome, n. [See Trichomatose.].
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. [1913 Webster]
OXFORD DICTIONARY
trichome, n. Bot. a hair, scale, prickle, or other outgrowth from the epidermis of a plant.
Etymology
Gk trikhoma f. trikhoo cover with hair (as TRICHO-)
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