Found 2 items, similar to acrogen.
English → English (WordNet) Definition: acrogen acrogen n : any flowerless plant such as a fern (pteridophyte) or moss (bryophyte) in which growth occurs only at the tip of the main stem
English → English (gcide) Definition: Acrogen Acrogen \Ac"ro*gen\, n. [Gr. 'a`kros extreme, high + -gen.] (Bot.) A plant of the highest class of cryptogams, including the ferns, etc. See Cryptogamia. [1913 Webster] The Age of Acrogens (Geol.), the age of coal plants, or the carboniferous era. [1913 Webster]