'Snowplough' definitions:

Definition of 'snowplough'

From: WordNet
noun
A vehicle used to push snow from roads [syn: snowplow, snowplough]

Definition of 'Snowplough'

From: GCIDE
  • Snowplow \Snow"plow`\, Snowplough \Snow"plough`\, n. An implement operating like a plow, but on a larger scale, for clearing away the snow from roads, railways, etc. [1913 Webster]