Wordnet 3.0
NOUN (1)
1. 
 any of several plants of the genera Gloxinia or Sinningia (greenhouse gloxinias) having showy bell-shaped flowers; 
The Collaborative International Dictionary of English v.0.48:
Gloxinia \Glox*in"i*a\, n. [NL.] (Bot.)
   American genus of herbaceous plants with very handsome
   bell-shaped blossoms; -- named after B. P. Gloxin, a German
   botanist.
   [1913 Webster]
WordNet (r) 3.0 (2006):
gloxinia
    n 1: any of several plants of the genera Gloxinia or Sinningia
         (greenhouse gloxinias) having showy bell-shaped flowers