water tube
noun
1A pipe that contains or conveys water, especially any of those carrying water through a water-tube boiler.
2 Zoology (in invertebrates) a tubular structure that conveys water, such as a water vessel in an echinoderm or a vertical channel in the gill filament of a bivalve mollusc.
Origin
Early 18th century; earliest use found in John Desaguliers (1683–1744), natural philosopher and engineer.
- willed
- willemite
- Willemstad
- willet
- willful
- willfully
- Will, George F.
- will have (or want) none of something
- William
- William I
- William Morris
- William of Occam
- William of Orange
- William, Prince
- Williams
- Williamsburg
- Williams, Hank
- Williams, John
- Williams, J. P. R.
- Williamson, Henry
- Williamsport
- Williams, Robin
- Williams, Roger
- Williams, Rowan
- Williams, Serena