trade port; commercial port
A port used for international or domestic trade; a straightforward compound noun.
Yokohama developed as a historic trade port.
There is a large trade port in this region.
Means 'airport'; 貿易港 is a sea or river port for trade.
Compound of 貿易 (trade) + 港 (port). The reading is the standard on'yomi for each kanji.