Pronunciation: [kɹˈɒsbɑː] (IPA) 
The word "crossbar" is spelled with a double "s" and a single "r" in accordance with English spelling rules. Phonetically, the word is transcribed as /ˈkrɒsbɑːr/ with the stress on the first syllable. The "cr" is pronounced with a hard "k" sound, while the rest of the word follows typical English pronunciation. The word "crossbar" refers to a horizontal bar that joins two uprights, commonly used in sports like soccer and football.
A crossbar is a horizontal or vertical bar that is used to connect or join two or more other components, typically in a perpendicular or intersecting manner. The term "crossbar" is derived from its cross-shaped appearance, which allows it to provide stability, support, and reinforcement. The crossbar is widely utilized in various fields, including engineering, technology, sports, and transportation.
In engineering and construction, a crossbar refers to a beam or rod that connects and strengthens the framework of a structure, such as a bridge or a building. This bar distributes the load evenly and increases the overall stability and rigidity of the structure.
In technology, a crossbar switch is a switching device that routes electrical signals between different wires or paths. By connecting numerous input and output lines, the crossbar enables the transfer of data or signals from one point to another.
The term "crossbar" is also associated with sports, particularly in gymnastics and high jumping. A gymnastics crossbar is a horizontal elevated pole used for tumbling, vaulting, and other gymnastic routines. Similarly, in high jumping, a crossbar is a horizontal bar suspended at a certain height, which athletes must clear without knocking it down to score points.
Furthermore, in transportation, a crossbar can refer to the transverse metal or plastic bar attached to a bicycle frame that offers support and stability, especially for the rider's hands during steering.
A kind of lever.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
The word "crossbar" is formed by combining two separate words: "cross" and "bar".
The term "cross" originates from the Old English word "cros", which comes from the Latin word "crux". "Crux" referred to a structure or object shaped like a T, often used as a symbol of intersection or crossing.
The word "bar" can be traced back to the Old English word "bær", which means "a piece of wood, metal, or another material that is long and narrow". The origins of "bær" can be further traced to the Proto-Germanic word "bērą", meaning "beam" or "bar".
When these two words are combined, "crossbar" refers to a horizontal bar that intersects or crosses another object or structure.
