rod in Greek
rod in Greek
ραβδί
καλάμι
An implement held vertically and viewed through an optical surveying instrument such as a transit, used to measure distance in land surveying and construction layout; an engineer's rod, surveyor's rod, surveying rod, leveling rod, ranging rod. The modern (US) engineer's or surveyor's rod commonly is eight or ten feet long and often designed to extend higher. In former times a surveyor's rod often was a single wooden pole or composed of multiple sectioned and socketed pieces, and besides serving as a sighting target was used to measure distance on the ground horizontally, hence for convenience was of one rod or pole in length, that is, 5+1⁄2 yards.
ράβδος
A straight bar that unites moving parts of a machine, for holding parts together as a connecting rod or for transferring power as a driveshaft.
ραβδίο
A straight bar that unites moving parts of a machine, for holding parts together as a connecting rod or for transferring power as a driveshaft.