Intervene /(?)/

imp. & p. p. Intervened; p. pr. & vb. n. Intervening

1. To come between, or to be between, persons or things; -- followed by between; as, the Mediterranean intervenes between Europe and Africa.
2. To occur, fall, or come between, points of time, or events; as, an instant intervened between the flash and the report; nothing intervened ( i. e., between the intention and the execution) to prevent the undertaking.
3. To interpose; as, to intervene to settle a quarrel.
4. In a suit to which one has not been made a party, to put forward a defense of one's interest in the subject matter.

1. To come between. [R.]

   Self-sown woodlands of birch, alder, etc., intervening the different estates.

1. A coming between; intervention; meeting. [Obs.]