dict.org

The DICT Development Group


Search for:
Search type:
Database:

Database copyright information
Server information
Wiki: Resources, links, and other information


2 definitions found
 for cotyledon
From The Collaborative International Dictionary of English v.0.48 :

  Cotyledon \Cot`y*le"don\ (k?t`?-l?"d?n), n. [Gr.??? a cupshaped
     hollow, fr. ???. See Cotyle.]
     1. (Anat.) One of the patches of villi found in some forms of
        placenta.
        [1913 Webster]
  
     2. (Bot.) A leaf borne by the caulicle or radicle of an
        embryo; a seed leaf.
        [1913 Webster]
  
     Note: Many plants, as the bean and the maple, have two
           cotyledons, the grasses only one, and pines have
           several. In one African plant ({Welwitschia) the
           cotyledons are permanent and grow to immense
           proportions.
           [1913 Webster]

From WordNet (r) 3.0 (2006) :

  cotyledon
      n 1: embryonic leaf in seed-bearing plants [syn: cotyledon,
           seed leaf]

Questions or comments about this site? Contact webmaster@dict.org