WordNet (r) 3.0 (2006):

strawman
    n 1: a person used as a cover for some questionable activity
         [syn: front man, front, figurehead, nominal head,
         straw man, strawman]
    2: a weak or sham argument set up to be easily refuted [syn:
       straw man, strawman]
    3: an effigy in the shape of a man to frighten birds away from
       seeds [syn: scarecrow, straw man, strawman, bird-
       scarer, scarer]

The Free On-line Dictionary of Computing (30 December 2018):

Strawman

   The first of the series of DoD requirements that led to
   Ada (Woodenman, Tinman, Ironman, Steelman).
   Strawman was produced by the HOLWG in Apr 1975.

   (1995-01-30)