Back Keystone CEB Keystone German Keystone (homonymie) French קיסטון HE Keystone (egyértelműsítő lap) Hungarian Keystone (disambigua) Italian 키스톤 Korean കീസ്റ്റോൺ Malayalam Keystone Dutch Keystone NB
Look up keystone in Wiktionary, the free dictionary.
Keystone or key-stone may refer to:
- Keystone (architecture), a central stone or other piece at the apex of an arch or vault
- Keystone (cask), a fitting used in ale casks