| Language: | Old English |
| Origin: | cwellan 'to kill' |
1SCPPM to end a situation in which people are behaving violently or protesting, especially by using force [= put down]
2 literary to reduce or stop unpleasant feelings such as fear, doubt, or worry :
'Jerry?' she called, trying to quell the panic inside her.
'Jerry?' she called, trying to quell the panic inside her.