The Collaborative International Dictionary of English v.0.48:

Tanier \Tan"i*er\, n. (Bot.)
   An aroid plant (Caladium sagittaefolium), the leaves of
   which are boiled and eaten in the West Indies. [Written also
   tannier.]
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Tannier \Tan"ni*er\, n. (Bot.)
   See Tanier.
   [1913 Webster]