SYNALCEPHEA, in grammar, a contraction of syllables, performed principally, by suppressing some vowel or diphthong at the end of a word, on account of another vowel or diphthong at the beginning of the next. As, ill' ego, for ille ego, &c.
Continet' omnes interitiqu' ora tenentant. Virg.
It is called by the Latins colisio.