[syn: orotund, rotund, round, pear-shaped]
The Collaborative International Dictionary of English v.0.48:
Orotund \O"ro*tund`\, a. [L. os, oris, the mouth + rotundus
   round, smooth.]
   Characterized by fullness, clearness, strength, and
   smoothness; ringing and musical; -- said of the voice or
   manner of utterance. -- n. The orotund voice or utterance
   --Rush.
   [1913 Webster]
WordNet (r) 3.0 (2006):
orotund
    adj 1: ostentatiously lofty in style; "a man given to large
           talk"; "tumid political prose" [syn: bombastic,
           declamatory, large, orotund, tumid, turgid]
    2: (of sounds) full and rich; "orotund tones"; "the rotund and
       reverberating phrase"; "pear-shaped vowels" [syn: orotund,
       rotund, round, pear-shaped]
Moby Thesaurus II by Grady Ward, 1.0:
48 Moby Thesaurus words for "orotund":
   Gongoresque, Johnsonian, affected, bedizened, big-sounding,
   convoluted, declamatory, elevated, euphuistic, flamboyant, flaming,
   flashy, flaunting, fulsome, garish, gaudy, grandiloquent,
   grandiose, grandisonant, high-flowing, high-flown, high-flying,
   high-sounding, highfalutin, inkhorn, labyrinthine, lexiphanic,
   lofty, lurid, magniloquent, meretricious, ostentatious, overdone,
   overelaborate, overinvolved, overwrought, pedantic, pompous,
   pretentious, rhetorical, sensational, sensationalistic,
   sententious, showy, sonorous, stilted, tall, tortuous