a system of units of length used in surveying land, based on the surveyor's chain of 66 ft. (20.12 m) and its 100 links of 7.92 in. (20.12 cm).
SURVEYOR'S MEASURE
Meaning of SURVEYOR'S MEASURE in English
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012