WORD OF THE DAY Selvage SEL-vij Part of speech: noun Origin: Late Middle English, 15th century. (Geological term is from the 1930s.) 1 An edge produced on woven fabric during manufacture that prevents it from unraveling. 2 (Geology) a zone of altered rock, especially volcanic glass, at the edge of a rock mass. Examples of Selvage in a sentence … Continue reading Selvage