conjunction
whether
WETH-ur/ˈweðər/
Introduces a question or choice between possibilities.
She wonders whether to take her umbrella beneath the approaching clouds.

Etymology
Old English hwæðer asked “which of two.” That choice between alternatives remains central when whether introduces possibilities without deciding which is true.
In context
whether this will end with a jury deciding between guilty and not guilty or between prison and execution.
More examples
- I asked whether the store was open.
- We must decide whether to leave now or wait.
- Tell me whether you received the package.
Forms
whether