Английский разговорный словарь (основной) - jacob's staff
Jacob's staff
jacob's staff
ˈdʒeɪkəbzˈstɑ:f n. 1 a surveyor's iron-shod rod used instead of a tripod. 2 an instrumentfor measuring distances and heights. [f. the staffs used by Jacob, as described in Gen. 30:37-43]