Word Study
cacuminal
CIDE DICTIONARY
cacuminal, a. [L. cacumen, cacuminis, the top, point.].
Pertaining to the top of the palate; cerebral; -- applied to certain consonants; as, cacuminal (or cerebral) letters. [1913 Webster]
OXFORD DICTIONARY
cacuminal, adj. Phonet. pronounced with the tongue-tip curled up towards the hard palate.
Etymology
L cacuminare make pointed f. cacumen -minis tree-top
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