ca·cu·mi·nal /kæˈkjumənḷ, kə-/
Ca·cu·mi·nal a. Philol. Pertaining to the top of the palate; cerebral; -- applied to certain consonants; as, cacuminal (or cerebral) letters.
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cacuminal
adj : pronounced with the tip of the tongue turned back toward the
hard palate [syn: retroflex]