INTERACT (_plural_ INTERACTS)
* A short act or piece between others, as in a play; an interlude; hence, intermediate employment or time.
(Can we find and add a quotation of Chesterfield to this entry?)
INTERACT (_third-person singular simple present_ INTERACTS, _present participle_ INTERACTING, _simple past and past participle_ INTERACTED)
* To act upon each other; as, two agents mutually interact.