释义 |
timothy grass
timothy grass (ˈtɪməθɪ) or timothyn (Plants) a perennial grass, Phleum pratense, of temperate regions, having erect stiff stems and cylindrical flower spikes: grown for hay and pasture[C18: apparently named after a Timothy Hanson, who brought it to colonial Carolina]EncyclopediaSeeTimothytimothy grass
timothy grass (tim'o-the) [ Timothy Hanson, early 18th-cent. American farmer who cultivated the grass] A common North American grass (Phleum pratense). Allergens derived from this grass cause seasonal allergies, esp. during the summer. Synonym: timothy grass |