noun

• The sound of a violent impact.
• The sound of an explosion.
• A surname.
• (military) Initialism of prisoner of war. [A combatant or soldier who is captured by an enemy power during or immediately after an armed conflict.]
• (religion) Initialism of place of worship. [A place, usually a building such as a church, mosque, synagogue or temple where believers can practise their faith.]
• (cryptography, cryptocurrencies) Alternative letter-case form of PoW (“proof of work”)
• (Scotland, Ireland, Northern England) Alternative form of poll [A survey of people, usually statistically analyzed to gauge wider public opinion.]
• (skiing slang) Clipping of powder (“powder snow”). [The fine particles which are the result of reducing a dry substance by pounding, grinding, or triturating, or the result of decay; dust.]
• (cryptography, cryptocurrencies) Initialism of proof of work. [(cryptography, cryptocurrencies) A form of cryptographic zero-knowledge proof.]