Edge can mean:

• In geometry, an edge is where two surfaces meet.
• In graph theory, an edge is a connection between two nodes (or vertices)
• In geology, it describes an escarpment
• It can stand for Enhanced Data Rate for GSM Evolution. This is a way to make mobile phones transmit data faster than with GSM
• Microsoft Edge, an internet browser.
• The Edge (born 1961), Irish musician, member of U2
• Edge (wrestler) (born 1973), ring name of Canadian professional wrestler Adam Copeland.