fly(redirected from flily)
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Fly, river, New Guinea
fly, in zoology
a river in the south of the island of New Guinea, in Papua New Guinea. The Fly rises in the mountains of the Central Range, forming for a short distance the border between Papua New Guinea and Indonesia. It empties into the Coral Sea’s Gulf of Papua, creating estuaries. It is 620 km long and drains an area of 64,400 sq km. The mean flow rate is 4,450 cu m per sec. High water occurs from December to April, and low water from June to August. The Fly is navigable for 300 km.
ii. To ride as a passenger in an aircraft.