any of several grasses of the genus Agrostis having reddish panicles, as A. gigantea, widely cultivated for lawns and pasturage.

Origin of redtop

An Americanism dating back to 1785–95; red1 + top1 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for redtop

Historical Examples of redtop

  • Timothy and redtop and witch-grass are the very children of olus.

    In the Open

    Stanton Davis Kirkham

  • Some other grasses may also be added under certain conditions, or substituted for timothy or redtop.

  • In New England, timothy, red clover, and redtop are generally used for the mowing crop.

    Agriculture for Beginners

    Charles William Burkett

  • In the Southern states a good meadow or pasture can be made of orchard grass, red clover, and redtop.

    Agriculture for Beginners

    Charles William Burkett

  • Soils that produce sorrel and redtop when red clover and timothy are sown need drainage or liming or both.