To become calm.
To make calm.
with few or no waves on the surface; not rippled.
Peaceful, quiet, especially free from anger and anxiety.
Free of noise and disturbance.
Without wind or storm.
The state of being calm; peacefulness; absence of worry, anger, fear or other strong negative emotion.
A period of time without wind.
The state of being calm; absence of noise and disturbance.
Arising from or used in an emergency.
A situation which poses an immediate risk and which requires urgent attention.
An individual brought in at short notice to replace a member of staff, a player in a sporting team, etc.
The department of a hospital that treats emergencies.