meter wheel

meter wheel

[′mēd·ər ‚wēl]
(engineering)
A special block used to support the oceanographic wire paid out over the side of a ship; attached directly or connected by means of a speedometer cable to a gearbox which measures the length of wire.
References in periodicals archive ?
He goes on to say that 'no matter what insulation we have the meter wheel keeps spinning round.
With a quick change of the meter wheel, a producer can plant a variety of seeds at an accurate rate.
The only excuse the meter wheel now has for not nodding off itself is the lighted dial on the digital clock perched on the cedar chest.