safety bell
noun
A bell used to draw attention to danger or distress.
Origin
Early 19th century; earliest use found in John Thomas James (1786–1828), bishop of Calcutta and writer on art.
- relief polishing
- relief print
- relief printing
- relief process
- relief road
- relief roll
- relief stamp
- relief stamper
- relief ticket
- relief train
- relief valve
- relief well
- relief work
- relief worker
- relier
- relievable
- relieve
- relieved
- relievedly
- relievement
- reliever
- relieving arch
- relievingly
- relieving officer
- relieving tackle