- one and the other; two together: He met both sisters. Both performances were canceled.
- the one as well as the other: Both of us were going to the party.
- alike; equally: He is both ready and willing.
- the two; two considered together
- (as pronoun)
- used preceding words, phrases, or clauses joined by and, used to emphasize that not just one, but also the other of the joined elements is included