1. a junction where two or more roads meet and traffic can move from one to another
2. an act of giving and receiving something mutually; an exchange

1. to put each of two or more things in the place of the other
2. to give and receive mutually

Examples

• The highway interchange was under construction for six months.
• Traffic backed up at the busy interchange during rush hour.
• There was a lively interchange of ideas during the meeting.
• The interchange of students between universities promotes cultural understanding.
• She interchanges her winter and summer clothes each season.
• The two actors interchange roles in different performances.
• They interchange letters regularly to practice their language skills.