A flexible line of rope, wire rope, or strap which generally has a connector at each end for connecting the body belt or body harness to a deceleration device, lifeline, or anchorage.
Merriam-Webster Online Dictionary
lanyard (noun)1.
a piece of rope or line for fastening something in a ship , especially one of the pieces passing through deadeyes to extend shrouds or stays
2.
a) a cord or strap to hold something (as a knife or a whistle) and usually worn around the neck
b) a cord worn as a symbol of a military citation
3.
a strong line used to activate a system (as in firing a cannon)
Cable, Line, Thread, Twine, Braid, Chain, Lanyard, Ribbon, Strip, Tape, Tie, Thong, Wire