acrogen Meaning, Definition & Usage

  1. noun any flowerless plant such as a fern (pteridophyte) or moss (bryophyte) in which growth occurs only at the tip of the main stem

WordNet

Ac"ro*gen noun
Etymology
Gr. extreme, high + -gen.
Definitions
Ac"ro*gen noun
Etymology
Gr. extreme, high + -gen.
Definitions
  1. (Bot.) A plant of the highest class of cryptograms, including the ferns, etc. See Cryptogamia.

Webster 1913