Search Result for "analgesia": 
Wordnet 3.0

NOUN (1)

1. absence of the sense of pain without loss of consciousness; 



The Collaborative International Dictionary of English v.0.48:

analgesia \an`al*ge"si*a\ ([a^]n`[a^]l*j[=e]"z[-e]*[.a]), n.
   [NL., fr. Gr. 'analghsi`a; 'an priv. + a`lghsis sense of
   pain.] (Med.)
   Absence of sensibility to pain. --Quain. AS
   [1913 Webster]


WordNet (r) 3.0 (2006):

analgesia
    n 1: absence of the sense of pain without loss of consciousness