A measuring line, used in land-surveying, formed of one hundred iron rods called links jointed together by eyes at their ends.

In the name of several mathematical instruments improved or invented by Gunter. Gunter's chain: the chain of 4 poles' length now in general use…

(a) a measuring chain; = chain, n. 9 (now chiefly historical); (b) the chain by which the end of a carriage-pole is connected with the collar of a…