Also snow plough, U.S. -plow. [f. SNOW sb.1 Cf. G. schneepflug, Da. sneplov, Sw. snöplog.] An implement or machine for clearing away snow from a road, railway track, etc.
A number of the various makes are described in Knight, Dict. Mech. 22301 and Suppl. 826.
1792. J. Belknap, Hist. New Hampsh., III. 789. When a deep snow has obstructed the roads, they are in some places opened by an instrument called a snow plough. It is made of planks, in a triangular form, with two side boards to turn the snow out on either hand.
1829. D. Conway (H. D. Inglis), Journ. Norway, etc. 148. Immediately after the snow has ceased, the snow-plough is used.
1858. Simmonds, Dict. Trade, Snow-plough, a machine for clearing away snow from railway tracks.
1888. Lees & Clutterbuck, B. C. 1887, xxxiv. 379. The huge snow ploughs (driven sometimes by six or eight locomotives) had been at work.