Bul·rush n.  Bot. A kind of large rush, growing in wet land or in water.
 Note: ☞ The name bulrush is applied in England especially to the cat-tail (Typha latifolia and Typha angustifolia) and to the lake club-rush (Scirpus lacustris); in America, to the Juncus effusus, and also to species of Scirpus or club-rush.
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 cat·tail, Cat-tail n. Bot. A tall erect rush or flag (Typha latifolia) growing widely in fresh and salt marshes, with long, flat, sword-shaped leaves, having clusters of small brown flowers in a dense cylindrical spike at the top of the stem; -- called also bulrush and reed mace. The leaves are frequently used for seating chairs, making mats, etc. See Catkin.
 Note: ☞ The lesser cat-tail is Typha angustifolia.
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 Typha angustifolia
      n : reed maces of America, Europe, North Africa, Asia [syn: lesser
          bullrush, narrow-leaf cattail, narrow-leaved reedmace,
           soft flag]