unthread
/ʌnˈθrɛd
/verb [with object]
1Take (a thread) out of a needle.I removed the needle from my sash, and unthreaded the blue string looped through its eye....
- Unthread the needle and tie a fat knot in the end of the thread.
1.1Remove (an object) from a thread, chain, etc. Meredith was unthreading his monocle from its ribbon...
- She stood and with his help the chains were pulled from the ground and unthreaded from her shackles, leaving her only in a pair of cuffs.
- In a certain sense all of the theoretical explanations of science, the weft that holds the tapestry together, are hypotheses, and to unthread one section risks destroying the entire fabric.
- Loosen the screw clamps on the hose fittings or unthread the pipe fittings and disconnect the waste line from the plumbing system.