[red.top] n (1790): any of various grasses (genus Agrostis) with usu. reddish panicles; esp: an important forage and lawn grass (A. alba syn. A. gigantea) of eastern No. America
REDTOP
Meaning of REDTOP in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012