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The Collaborative International Dictionary
Agrostis Spica-ventis

Windlestrae \Win"dle*strae`\, Windlestraw \Win"dle*straw`\, n. (Bot.) A grass used for making ropes or for plaiting, esp. Agrostis Spica-ventis. [Prov. Eng. & Scot.]
--Shelley.