Traditional definition: Metal links that are locked together to make a strong and flexible line. Chains are typically used for anchors and other places where high loads may be exerted on the line, particularly in large vessels.
do it wobble to da flo
do it shine in n the light
is it platinum is it gold
could u throw it over ya shoulda
if ya hot it make ya cold
do your chain hang low"
It is also used a lot by the USDA Forest Service by hand crews to see how far they have dug line or how far they have to go.
"About 4 chains." (264 ft.)
"The wildland fire is spreading at 40 chains an hour." (2640 ft. or 1/2 a mile in 1 hour)
2: A shortened version of "chain smoking".
Your dealer must chain like a motherfucker, bro.