Definition of threader in English:
1A device for passing a thread through the needle and guides of a sewing machine.
- To thread texturized nylon, use a needle threader or put a dab of seam sealant on the thread end and let it dry before threading the needle.
- There's a darning needle, of course, a threader, a hemostat (the instrument doctors use to put in sutures), and an Army survival tool.
Definition of threader in:
- US English dictionary