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]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]