snow in

Verb

snow in (third-person singular simple present snows in, present participle snowing in, simple past and past participle snowed in)

1. (passive, transitive, usually) To prevent from moving (from a building, in a city, etc) due to a large snowfall.
   • Engines with heavy snow ploughs are ordered to raise steam to a state of readiness, and freight trains may be cancelled or permissive loadings halved. This latter feature is of vital importance when it is borne in mind that trains are often snowed in through coming to rest between stations because...1960 January, M. Harbottle, “Maintaining Services after Heavy Snowfalls”, in Railway Magazine, page 10

   Synonyms:

   snow over, snow up