Definitions

1. adverb

used to indicate the end or purpose of something

“He spent all his savings, whereunto he had been pinning his hopes for years.”

2. preposition

used to introduce a clause giving an example or explanation

“The new policy will benefit the community, whereunto the city has committed a substantial amount of funds.”

3. noun

a clause or phrase used to introduce a quotation

“The poet’s words, ‘Whereunto darkness doth descend’, are often seen as a description of the night sky.”

4. conjunction

used to connect a clause or phrase to what follows

“He went to the store, whereunto he bought some milk and bread.”