Word: waterhead Part of Speech: noun Etymology: From water + head. 1. A spring or headwater. Labels: countable, uncountable Example: It is bounded to the southward by a line of springs or waterheads, which is also the northern boundary of the tract called the Terrai , one equally distinguished with the former from the souther plain country, but occasionally annexed to it and occasionally to the hills. Example: Pukaki means a river source, the waterhead; so the name is literally descriptive. 2. An area of high elevation, viewed as the catchment basin for a region. Labels: countable, uncountable Example: In my Report on the Agriculture and Minerals of Derbyshire, the first volume of which, treating the surface, minerals, rivers, &c. is now in the press, An alphabetical List of the most remarkable Mountains, Hills and Eminences has been printed, referring to a small Map of 41 principal Ridges, or ranges of high ground, called waterheads, which divide the drainages to 32 rivers and rivulets , in and near Derbyshire. Example: Forty major waterhead forestry conservation zones with a combined area of 800,000 ha have been designated in the Guangxi Autonomous Region, and related regulations on the management of these forests have been proclaimed, according to the regional authorities. 3. A reservoir or natural source of water that is put to use. Labels: countable, uncountable Example: As a result of narrowing the stream channel, a waterhead is formed in front of a structure and the depth of water reaches the magnitude H, greater than the depth of an unelevated water a. Example: There is plenty of water in the valley, but placement along an irrigation ditch can affect the amount of water a patch will receive. Most large farms have their own waterheads where water is taken out of the stream . 4. A portion of a device or system where water is stored before it is used, such as a header tank. Labels: countable, uncountable Example: The water supplied to the boiler first pases into a waterhead situate within the smoke box, where it becomes heated preparatory to entering the boiler. Example: This device is nothing more than a piece of copper pipe, which is employed on account of its sensitiveness to change of temperature. The thermostat tube is connected solid into what is termed the "waterhead." 5. The amount of water or water pressure provided by a waterhead (reservoir or portion of a device that stores water). Labels: countable, uncountable Example: Where water is conveyed through pipes and there is sufficient waterhead for pipe pressure, spraying irrigation may be resorted to. Example: Briefly, a hydraulic air compressor may be described as an inverted siphon, consisting of an intake head where water and air are mingled, followed by a gravity-fall tube in which air is intimately mixed with the water and is compressed as the water pressure increases during the fall down the tube, then a separating, or stilling, chamber in which air bubbles rise to the surface of the water and collect in the upper portion of the chamber at a pressure equal to the waterhead maintained by the height of water in the discharge leg of the circuit . 6. A showerhead. Labels: countable, uncountable Example: I even shower with my pen, in case any ideas drip out of the waterhead. Example: Kapitan Leeuwen's bathroom was bigger than my stateroom. A huge black-marble shower, with waterheads at three levels. 7. The place where water enters or exits a device or system. Labels: countable, uncountable Example: Inlet and outlet waterheads at each end of the condenser are arranged such that cooling water flow through the condenser is single flow . Example: Armitage, rear 2016 The home is adorned with replica plaster rosettes and decorative lead waterheads fed by the house's gutters. 8. A water main. Labels: countable, uncountable Example: This system consists of one or more lengths of pipe, extending from the main, or waterhead. Example: A typical arrangement of waterhead and branch pipe is shown in the sketch. 9. A burst of water. Labels: countable, uncountable Example: Hot flashes were a mere summer shower compared to the waterhead she created more days a month than not. 10. Hydrocephalus. Labels: uncountable Example: The head enlarges and "waterhead" ( hydrocephalus ) results. Example: Marcy's child born with waterhead. 11. The enlarged head of a person or animal with hydrocephalus. Labels: countable, uncountable Example: ADELE : A waterhead. You know, one of them high heads. Example: The doctor continued, “For three hours we've been trying to work on her before we go into her brain. But the mass is gone, and her head has begun to shrink down from a waterhead to normal. 12. A hydrocephalic person or animal. Labels: countable, uncountable Example: He has also shown how an internal pressure, like that of growing beans or of a column of water will expand or burst it – in life we observe the same expansion occurring in waterheads and on account of other internal morbid growths, above all in the younger years of life. Example: "Probabilities are zero to 25 per cent that a dead calf will be a waterhead, but it's something that every cattle breeder should be aware of," Schalles says. 13. A stupid or ugly person. Labels: countable, derogatory, slang, uncountable Example: 8:33 a.m. Jesus, this waterhead Gurney again! You'd think the poor bugger would have the sense to not talk any more ... but no, Gurney is still blundering along, still hammering blindly at the receding edges of Dean's 'credibility' in his now-obvious role as what Frank Reynolds and Sam Donaldson on ABC-TV both described as 'the waterboy for the White House'. Example: It's heading for Provo, Utah, where it will meet a woman who works for the city sanitation department, in the typing pool; it will woo her, win her, marry her and have three children by her, one of which will be a waterhead like you.