RELATIONSHIP[C, U]›a relationship between people or things: The connection between smoking and heart disease is well known.He denied having any connection with the terrorists.
JOINING THINGS[C, U]›something that joins things together: Many companies now offer free connection to the Internet.
TRAVEL[C]›a train, bus, or aircraft that leaves a short time after another arrives, so that people can continue their journey: The train was half an hour late and I missed my connection.
in connection with›used to say what something is about: A man has been arrested in connection with the murder.