Definify.com

Webster 1913 Edition

Noun.

[Gr. [GREEK] side + [GREEK], as in

parenchyma

(Bot.)

A tissue consisting of long and slender tubular cells, of which wood is mainly composed.

pleurenchyma ‎(uncountable)

(botany) A tissue consisting of long and slender tubular cells, of which wood is mainly composed.