Source : Webster's Revised Unabridged Dictionary (1913)

Cat's-tail \Cat's"-tail\, n.
   See {Timothy}, {Cat-tail}, {Cirrus}.

Source : WordNet®

cat's-tail
     n : tall marsh plant with cylindrical seed heads that explode
         when mature shedding large quantities of down; its long
         flat leaves are used for making mats and chair seats; of
         North America, Europe, Asia and North Africa [syn: {bullrush},
          {bulrush}, {nailrod}, {reed mace}, {reedmace}, {Typha
         latifolia}]