slipknot

or slip knot

[ slip-not ]
/ ˈslɪpˌnɒt /

noun

a knot that slips easily along the cord or line around which it is made.

Origin of slipknot

First recorded in 1650–60; slip1 + knot1

Example sentences from the Web for slipknot

British Dictionary definitions for slipknot

slipknot
/ (ˈslɪpˌnɒt) /

noun

Also called: running knot a nooselike knot tied so that it will slip along the rope round which it is made
a knot that can be easily untied by pulling one free end