Source : Webster's Revised Unabridged Dictionary (1913)

Locution \Lo*cu"tion\, n. [L. locutio, fr. loqui to speak: cf.
   F. locution. ]
   Speech or discourse; a phrase; a form or mode of expression.
   `` Stumbling locutions.'' --G. Eliot.

         I hate these figures in locution, These about phrases
         forced by ceremony.                      --Marston.

Source : WordNet®

locution
     n : a word or phrase that particular people use in particular
         situations; "pardon the expression" [syn: {saying}, {expression}]