(in discussions of grammar, especially of Biblical grammar) A figure of speech that is an abbreviatedexpression, for example, the omission of "good" from "good morning!" (resulting in the abbreviated greeting "morning!").
From Late Latin brachiologia, from Ancient Greek βραχύς (brakhus, “short”) + λογία (logia, “speech”); compare brachylogy.
English Wiktionary. Available under CC-BY-SA license.