The Collaborative International Dictionary of English v.0.48:

Redtop \Red"top`\ (-t?p`), n. (Bot.)
   A kind of grass (Agrostis vulgaris) highly valued in the
   United States for pasturage and hay for cattle; -- called
   also English grass, and in some localities herd's grass.
   See Illustration in Appendix. The tall redtop is Triodia
   seslerioides.
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The Collaborative International Dictionary of English v.0.48:

Timothy \Tim"o*thy\, n., or Timothy grass \Tim"o*thy grass`\
   [From Timothy Hanson, who carried the seed from New England
   to Maryland about 1720.] (Bot.)
   A kind of grass (Phleum pratense) with long cylindrical
   spikes; -- called also herd's grass, in England,
   cat's-tail grass, and meadow cat's-tail grass. It is much
   prized for fodder. See Illustration in Appendix.
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The Collaborative International Dictionary of English v.0.48:

Herd \Herd\ (h[~e]rd), n. [OE. herd, heord, AS. heord; akin to
   OHG. herta, G. herde, Icel. hj["o]r[eth], Sw. hjord, Dan.
   hiord, Goth. ha['i]rda; cf. Skr. [,c]ardha troop, host.]
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   1. A number of beasts assembled together; as, a herd of
      horses, oxen, cattle, camels, elephants, deer, or swine; a
      particular stock or family of cattle.
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            The lowing herd wind slowly o'er the lea. --Gray.
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   Note: Herd is distinguished from flock, as being chiefly
         applied to the larger animals. A number of cattle, when
         driven to market, is called a drove.
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   2. A crowd of low people; a rabble.
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            But far more numerous was the herd of such
            Who think too little and who talk too much.
                                                  --Dryden.
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            You can never interest the common herd in the
            abstract question.                    --Coleridge.
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   Herd's grass (Bot.), one of several species of grass,
      highly esteemed for hay. See under Grass.
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