both (EN)
determiner, pronoun, conjunction

determiner “both”

both
  1. (modifies a plural noun) referring to two individuals or items
    Both apples are ripe and ready to eat.

pronoun “both”

both
  1. (not modifying a noun) each of two
    Do you see them? Both are doctors.

conjunction “both”

both
  1. (used with "and") used to include each one in a pair in a statement
    Both the cat and the dog were sleeping peacefully.