given, felt, or done in return
she was hoping for some reciprocal comment or gesture
(of an agreement or obligation) bearing on or binding each of two parties equally
the treaty is a bilateral commitment with reciprocal rights and duties
(of a course or bearing) differing from a given course or bearing by 180 degrees
he took up a reciprocal heading and dropped down to 2,000 ft
(of a quantity or function) related to another so that their product is unity
an expression or function so related to another that their product is unity; the quantity obtained by dividing the number one by a given quantity
the compressibility is the reciprocal of the bulk modulus
a pronoun or verb expressing mutual action or relationship, e.g. each other, fight