Wordnet 3.0
NOUN (1)
1. 
 brown algae distinguished by compressed or inflated branchlets along the axis; 
[syn: Ascophyllum, genus Ascophyllum]
The Collaborative International Dictionary of English v.0.48:
Ascophyllum \Ascophyllum\ n.
   1. 1 a genus of brown algae distinguished by compressed or
      inflated branchlets along the axis.
   Syn: genus Ascophyllum.
        [WordNet 1.5]
WordNet (r) 3.0 (2006):
Ascophyllum
    n 1: brown algae distinguished by compressed or inflated
         branchlets along the axis [syn: Ascophyllum, genus
         Ascophyllum]