1. The transparent viscous substance that surrounds the yolk of an egg
Beat the egg whites until stiff peaks form.
Bata as claras de ovo até formar picos firmes.
2. Clear, transparent, or easy to understand (adjective)
The water was crystal clear.
A água estava cristal clara.
3. Bright or luminous (adjective)
It was a clear, sunny day.
Era um dia claro e ensolarado.