D defs.my
Entry 1 sense Webster, 1913

Hard grass

/(grȧs`)/ · Hard· grass · IPA
01 A name given to several different grasses, especially to the Roltböllia incurvata, and to the species of Aegilops, from one of which it is …
  1. 1.
    A name given to several different grasses, especially to the Roltböllia incurvata, and to the species of Aegilops, from one of which it is contended that wheat has been derived.(Bot.)