What is "trans-tasman"

Trans-Tasman is an adjective used primarily in Australia and New Zealand, which signifies an interrelationship between both countries. Its name originates from the Tasman Sea which lies between the two countries. For example, Trans-Tasman commerce would refer to commerce between these two countries.

• A trans-Tasman flight is a flight between Australia and New Zealand.
• The Trans-Tasman Travel Arrangement is an agreement between Australia and New Zealand allowing their citizens free movement between the two countries.
• The Trans Tasman Trophy is a Test cricket trophy.