both andused to emphasize that something is true not just of one person, thing, or situation but also of another
[TahlilGaran] Dictionary of Contemporary English ▲
both --- and coord. conj. Used to emphasize that two or more things are talked about.
Both Frank and Mary were at the party. Millie is both a good swimmer and a good cook. In the program tonight Mary will both sing and dance. The frog can move quickly both on land and in the water. Compare: AS WELL AS. Contrast EITHER OR.
[TahlilGaran] English Idioms Dictionary ▲