: "sey," a Scots and Ulster dialect word (written also scy, sci, si, sie, sy in glossaries) meaning ‘the opening of a gown, etc., into which the sleeve is inserted; the part of the dress between the armpit and the chest (of obscure etymology, and sometimes confused with "scythe" due to similarly curved shapes).
A Scots and Ulster dialect word, "sey," denotes the opening of a garment's sleeve, as well as the area between the armpit and chest. Its etymology remains obscure, often causing confusion with the word "scythe" due to similar curved shapes.