United KingdomTap is used in the United Kingdom and most of the Commonwealth for any everyday type of valve, particularly the fittings that control water supply to bathtubs and sinks.United StatesFaucet is the most common term in the US, similar in use to tap in British English, e.g. water faucet (although the term tap is also used in the US).Spigot is used by professionals in the trade (such as plumbers), and typically refers to an outdoor fixture.[1]Silcock (and sillcock), same as spigot, referring to a cock (as in stopcock and petcock) that penetrates a foundation sill.Bib (bibcock, and hose bib or hosebibb), usually a freeze-resistant version of a spigot.Wall hydrant, same as hosebibb.Tap generally refers to a keg or barrel tap, though also commonly refers to a faucet that supplies either hot or cold water and not both.[citation needed] It also appears as a descriptor in tap water (i.e. water purified for domestic use). A single temperature tap is commonly found in a commercial or public restroom where the temperature of the water will be controlled by a separate temperature regulating valve that mixes hot and cold water. The regulating valve may be under the handwashing sink or in a separate mechanical room or service closet. These single taps are less prone to breakage from heavy use or vandalism.[citation needed]Spicket A Pennsylvanian term, specifically Philadelphia