Lewis & Short

synăloephē (-līphē, -loepha), ēs, f., = συναλοιφή, the contraction of two syllables into one, either by synæresis or by crasis; in later gram. applied esp. to elision, = collisio, elisio, Quint. 9, 4, 109; Charis. p. 249 P.; Diom. p. 437 ib.; Mart. Cap. 3, § 267; Serv. Verg. A. 2, 16.