In`ter*act" (?), n. [Pref. inter- + act. Cf. Entr'acte.]
A short act or piece between others, as in a play; an interlude; hence, intermediate employment or time.
Chesterfield.
© Webster 1913.
In`ter*act", v. i.
To act upon each other; as, two agents mutually interact.
Emerson. Tyndall.
© Webster 1913.