■ verb ( ~s , ~ning ; past overran ; past participle ~ )
1》 spread over or occupy (a place) in large numbers.
2》 move or extend over or beyond.
3》 exceed (an expected or allowed time or cost).
4》 rotate faster than (another part of a machine).
■ noun
1》 an instance of ~ning.
2》 a clear area beyond the end of a runway.
3》 the movement of a vehicle at a speed greater than is imparted by the engine.
Origin
OE oferyrnan (see over- , run ).