Definition of black grass in English:

black grass

noun ˌblak ˈɡrɑːsˌblak ˈɡras

1Any of several kinds of foxtail grass which grow as weeds of cultivated land; especially slender foxtail, Alopecurus myosuroides (formerly called A. agrestis), which can cause serious yield loss in cereal crops.
2Chiefly North American. A kind of rush, Juncus gerardii, found in salt marshes in North America and parts of Europe, formerly cut and dried for use as animal fodder.

Origin

Mid 18th century; earliest use found in William Ellis (c1700–1758), agriculturist and writer. From black + grass.

Definition of black grass in US English:

black grass

noun

1Any of several kinds of foxtail grass which grow as weeds of cultivated land; especially slender foxtail, Alopecurus myosuroides (formerly called A. agrestis), which can cause serious yield loss in cereal crops.
2Chiefly North American. A kind of rush, Juncus gerardii, found in salt marshes in North America and parts of Europe, formerly cut and dried for use as animal fodder.

Origin

Mid 18th century; earliest use found in William Ellis (c1700–1758), agriculturist and writer. From black + grass.

单词	black grass
释义	Definition of black grass in English: black grass noun ˌblak ˈɡrɑːsˌblak ˈɡras 1Any of several kinds of foxtail grass which grow as weeds of cultivated land; especially slender foxtail, Alopecurus myosuroides (formerly called A. agrestis), which can cause serious yield loss in cereal crops. 2Chiefly North American. A kind of rush, Juncus gerardii, found in salt marshes in North America and parts of Europe, formerly cut and dried for use as animal fodder. Origin Mid 18th century; earliest use found in William Ellis (c1700–1758), agriculturist and writer. From black + grass. Definition of black grass in US English: black grass noun 1Any of several kinds of foxtail grass which grow as weeds of cultivated land; especially slender foxtail, Alopecurus myosuroides (formerly called A. agrestis), which can cause serious yield loss in cereal crops. 2Chiefly North American. A kind of rush, Juncus gerardii, found in salt marshes in North America and parts of Europe, formerly cut and dried for use as animal fodder. Origin Mid 18th century; earliest use found in William Ellis (c1700–1758), agriculturist and writer. From black + grass.
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