Определение слова «apostrophus» на английский

noun

1. (archaic) The omission of a vowel or syllable from a word, usually indicated by the apostrophe symbol ( ' ). examples: 'til, can't

2. (archaic) The apostrophe symbol used to mark this elision.

3. (music, historical) An open notehead ( ~ ) or an apostrophe ( ' ) used as a neume to mark a low, unaccented syllable at the beginning of a phrase or a short quick syllable

4. The symbol 'Ↄ', used in Roman numerals to indicate multiplication by 10.