Question

what is meaning of farewell

Answer 1

Farewell means expressing good wishes to someone while parting.It is something like saying good-bye.

Using 'farewell' in a sentence.

Alwyna bid her sister a tearful farewell

Answer 2

It's somewhat giving good wishes and hopes for future while doing a party and enjoying that marks the departure of someone or when someone is going away.
Like-:Our school always organise a farewell for 12th class students.

In this sentence as the 12th class is going away to colleges or universities saying good bye to the teachers and to their school.