The Collaborative International Dictionary of English v.0.48:

manner of speaking \manner of speaking\ n.
   The characteristic style or manner that a person uses to
   express himself orally.

   Syn: delivery.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

manner of speaking
    n 1: your characteristic style or manner of expressing yourself
         orally; "his manner of speaking was quite abrupt"; "her
         speech was barren of southernisms"; "I detected a slight
         accent in his speech" [syn: manner of speaking, speech,
         delivery]

Moby Thesaurus II by Grady Ward, 1.0:

83 Moby Thesaurus words for "manner of speaking":
   adjectival phrase, affectation, asiaticism, clause,
   command of language, construction, device, euphuism, exaggeration,
   expression, expression of ideas, fashion, feeling for words,
   figurative language, figurativeness, figure, figure of speech,
   floridity, flourish, flower, flowery style, form of speech,
   grace of expression, grandiloquence, headed group, idiom, idiotism,
   image, imagery, inflation, literary style, locution, manner,
   mannerism, mode, mode of expression, nonliterality, nonliteralness,
   noun phrase, ornament, paragraph, peculiar expression, peculiarity,
   period, personal style, phrasal idiom, phrase, purple passage,
   rhetoric, sense of language, sentence, set phrase, standard phrase,
   strain, style, stylistic analysis, stylistics, syntactic structure,
   term, the grand style, the plain style, the sublime, timbre, tone,
   tone of voice, trick, trope, turn of expression, turn of phrase,
   usage, utterance, vein, verb complex, verb phrase, verbalism, voce,
   voice, voice qualifier, voice quality, way, way of saying,
   way of speaking, word-group