hair grass Meaning, Definition & Usage

  1. noun fine-leaved aquatic spike rush; popular as aerator for aquariums
    Eleocharis acicularis; needle spike rush; needle rush; slender spike rush.

WordNet


Hair" grass`
Definitions
  1. (Bot.) A grass with very slender leaves or branches; as the Agrostis scabra, and several species of Aira or Deschampsia.

Webster 1913