A portion of time as limited and determined by some recurring phenomenon, as by the completion of a revolution of one of the heavenly bodies; a division of time, as a series of years, months, or days, in which something is completed, and ready to recommence and go on in the same order, The termination or completion of a revolution, cycle, series of events, single event, or act; hence, a limit; a bound; an end; a conclusion, Any round of time, or series of years, days, etc, intransitive verb_ To come to a period; to conclude. [Obs.] ?You may period upon this, that,? etc