Trailing

a. & vb. n.
  1. a. & vb. n. from Trail.
  2. Trailing arbutus . (Bot.)
    See under Arbutus.
    Trailing spring ,
    a spring fixed in the axle box of the trailing wheels of a locomotive engine, and so placed as to assist in deadening any shock which may occur.
    Trailing wheel ,
    a hind wheel of a locomotive when it is not a driving wheel; also, one of the hind wheels of a carriage.