Pentamerous

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Pentamerous \Pen*tam"er*ous\, a. [Penta- + Gr. ? part.]
     1. (Biol.) Divided into, or consisting of, five parts; also,
        arranged in sets, with five parts in each set, as a flower
        with five sepals, five petals, five, or twice five,
        stamens, and five pistils.
        [1913 Webster]


  
     2. (Zool.) Belonging to the Pentamera.
        [1913 Webster]

From WordNet (r) 2.0 [wn]:

  pentamerous
       adj : divided into five parts; specifically, having each floral
             whorl consist of five (or a multiple of five) members;
             "pentamerous flowers"