- a pool in Biblical Jerusalem, believed to have healing powers. John 5:2–4.
- a city in central Maryland; residential suburb of Washington, D.C.
- (lowercase) a chapel.
- New Testament a pool in Jerusalem reputed to have healing powers, where a paralysed man was healed by Jesus (John 5:2)
- a chapel of any of certain Nonconformist Christian sects
1857, name of a pool in Jerusalem (John v:2), from Greek Bethesda, from Aramaic beth hesda “house of mercy,” or perhaps “place of flowing water.” Popular as a name for religious meeting houses among some Protestant denominations.