hair grass

2 definitions found

hair grass - Collaborative International Dictionary of English v.0.48 :

  Hair grass \Hair" grass`\ (gr[.a]s`). (Bot.)
     A grass with very slender leaves or branches; as the
     Agrostis scabra, and several species of Aira or
     Deschampsia.
     [1913 Webster]

hair grass - WordNet (r) 2.1 (2005) :

  hair grass
      n 1: fine-leaved aquatic spike rush; popular as aerator for
           aquariums [syn: needle spike rush, needle rush,
           slender spike rush, hair grass, Eleocharis acicularis
           ]