selvedgePronunciation: /ˈsɛlvɪdʒ/ (chiefly North American also selvage)Translate selvedge | into Italian Definition of selvedge noun 1an edge produced on woven fabric during manufacture that prevents it from unravelling. 2 Geology a zone of altered rock, especially volcanic glass, at the edge of a rock mass. Origin: late Middle English: from an alteration of self + edge, on the pattern of early modern Dutch selfegghe. The geological term dates from the 1930sselvedge in other Oxford dictionaries Definition of selvedge in the US English dictionary