'cattail' definitions:

Definition of 'cattail'

From: WordNet
noun
Tall erect herbs with sword-shaped leaves; cosmopolitan in fresh and salt marshes

Definition of 'cattail'

From: GCIDE
  • cattail \cat"tail\, Cat-tail \Cat"-tail\(k[a^]t"t[=a]l), 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. [1913 Webster + WordNet 1.5]
  • Note: The lesser cat-tail is Typha angustifolia. [1913 Webster]