n. A poetic figure of speech in which two consecutive vowel sounds in the same word are pronounced as a single phoneme so that certain words adhere to a particular poetic meter.
the GNU version of the Collaborative International Dictionary of English
n. An obliteration of the pupil of the eye.
n. A contraction of two syllables into one; synecphonesis.
The Century Dictionary and Cyclopedia
n. In medicine, closure of the pupil; an obliteration of the pupil of the eye, causing a total loss of vision.
n. In grammar, the combination into one syllable of two vowels that would not form a diphthong.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. the contraction of chromatin towards one side of the nucleus during the prophase of meiosis