Sleeving

Verb

1. Present participle of sleeve

Full definition of sleeving

Noun

1. (UK) Hollow flexible tube used as insulation for wires and cables.
• 1996, A.L. Brown, Vehicle Security Systems: Build Your Own Alarm and Protection Systems , page 50Pull up the sleeving along the cable, including the copper wire, then using a cigarette lighter heat the sleeving to make it shrink.