[1] : The Collaborative International Dictionary of English v.0.48

parlance \par"lance\ paumr"lans, n. of., fr. f. parler to
   speak. see parley.
   conversation; discourse; talk; diction; phrase; as, in legal
   parlance; in common parlance.
   1913 webster

         a hate of gossip parlance and of sway.   --tennyson.
   1913 webster parlando
see also:
parley 

[2] : WordNet (r) 2.0

parlance
     n : a manner of speaking that is natural to native speakers of a
         language syn: idiom
see also:
idiom 

[3] : Moby Thesaurus II by Grady Ward, 1.0

29 moby thesaurus words for "parlance":
   choice of words, composition, dialect, diction, expression,
   formulation, grammar, idiom, jargon, language, langue, lingo,
   lingua, locution, parole, personal usage, phrase, phraseology,
   phrasing, rhetoric, speech, talk, tongue, usage, use of words,
   usus loquendi, verbiage, wordage, wording

[4] : The Free On-line Dictionary of Computing (27 SEP 03)

parlance
     
        a concurrent language.
     
        "parallel processing structures: languages, schedules, and
        performance results", p.f. reynolds, phd thesis, ut austin
        1979.
     
        1994-12-12
     
     
see also:
concurrent 

Parlance >> P Words
Parlance, definition of term: Parlance
parlance_pag1.html