noun
A separation of one syllable (especially a vowel which is a diphthong, that is, beginning with one sound and ending with another) into two distinct syllables; distraction.
An occurrence of separate vowel sounds in adjacent syllables without an intervening consonant; a hiatus.
(figurative, rare) A division, a separation.
(prosody) A natural break in rhythm when a word ends at the end of a metrical foot in a line of verse.
(surgery, archaic) An act of separating body parts or tissues which are normally together.