water tunnel
noun
A tunnel through which water is carried (for practical or experimental purposes).
Origin
Late 18th century.
- penny purse
- penny-rot
- pennyroyal
- pennyroyal water
- penny share
- penny stock
- penny trumpet
- penny trumpeter
- penny wedding
- pennyweight
- pennyweighter
- penny-wheep
- penny-whip
- penny whistle
- penny-wisdom
- penny wise
- penny wise and pound foolish
- penny-wise-pound-foolishness
- pennywort
- pennyworth
- Penobscot
- Penobscot River
- penologic
- penological
- penologist