leadline
nounUK /ˈlɛdlaɪn/
US /ˈlɛdlaɪn/
A heavy rope used to measure how deep water is.
The sailor dropped the leadline over the side to check the depth.
RELATED WORDS
OTHER MEANINGS
2. A line weighted with lead used in fishing to sink the hook or net.
He attached a leadline to the net so it would sink.
3. A line of lead used in printing or in stained-glass work.
The craftsman bent the leadline around the glass pane.
4. A rope or cord made of or weighted with lead.
The old leadline hung on a peg by the dock.