elision

noun

1. the omission of a vowel, consonant, or syllable in pronunciation.
2. (in verse) the omission of a vowel at the end of one word when the next word begins with a vowel, as th’orient.
3. an act or instance of eliding or omitting anything.

noun

1. the omission of a syllable or vowel at the beginning or end of a word, esp when a word ending with a vowel is next to one beginning with a vowel
2. any omission of a part or parts