Definitions

1. noun

A long fishing line, especially one used for catching deep-sea fish.

“The longline caught a large quantity of tuna for the restaurant.”

2. noun

A long telephone call, especially one that is charged at a lower rate per minute.

“The longline with the customer lasted for over an hour.”

3. verb

To make (a fishing line) longer, especially by adding more hooks or lures.

“The fisherman longlined his hook to catch bigger fish.”