eclipsis

Century Dictionary and Cyclopedia

1. n. An eclipse.
2. n. Omission of a sound or letter; specifically, in Celtic gram., the suppression of the sound of a radical consonant when preceded by another of the same organ.
3. n. A momentary loss of consciousness.

Wiktionary

1. n. obsolete An omission of words needed to fully express the sense of a phrase
2. n. A line or dash used to show that text has been omitted
3. n. A mutation of the initial sound of a word by which voiceless sounds become voiced, voiced stops become nasal consonants, and vowels acquire a prothetic nasal consonant: see Appendix:Irish mutations#Eclipsis.

GNU Webster's 1913

1. n. (Linguistics) the omission or suppression of parts of words or sentences.

WordNet 3.0

1. n. omission or suppression of parts of words or sentences