headworks

About 0.04 uses per million words.

Meaning

1. noun Any structure at the head or diversion point of a waterway. It is smaller than a barrage and is used to divert water from a river into a canal or from a large canal into a smaller canal.

Similar words

thinking waterworks wasteweir waterhead waterwork lock-weir mill head raceway wheelhouse fallway

Often followed by

of and at to in on for were are