[ˈsɛlvɪdʒ], (Noun)

Definitions:
- an edge produced on woven fabric during manufacture that prevents it from unravelling

- a zone of altered rock, especially volcanic glass, at the edge of a rock mass


Phrases:

Origin:
late Middle English: from an alteration of self + edge, on the pattern of early modern Dutch selfegghe. The geological term dates from the 1930s