thea

from WordNet (r) 3.0 (2006)

Thea
    n 1: (Greek mythology) the Titaness who was mother of Helios and
         Selene and Eos in ancient mythology [syn: {Thea}, {Theia}]

from The Collaborative International Dictionary of English v.0.48

Thea \The"a\, prop. n. [NL. See {Tea}.] (Bot.)
   A genus of plants found in China and Japan; the tea plant.
   [1913 Webster]

   Note: It is now commonly referred to the genus {Camellia}.
         [1913 Webster]