Wordnet 3.0
ADJECTIVE (1)
1. 
 relating to bees or beekeeping; 
The Collaborative International Dictionary of English v.0.48:
Apiarian \A`pi*a"ri*an\, a.
   Of or relating to bees.
   [1913 Webster]
WordNet (r) 3.0 (2006):
apiarian
    adj 1: relating to bees or beekeeping