a shelter built over an exposed section of railway track to prevent its blockage by snow
snowshed in American English
(ˈsnoʊˌʃɛd)
US
noun
a long shed to protect a section of railroad track against snow
snowshed in American English
(ˈsnouˌʃed)
noun
a structure, as over an extent of railroad track on a mountainside, for protection against snow
Word origin
[1865–70, Amer.; snow + shed1]This word is first recorded in the period 1865–70. Other words that entered Englishat around the same time include: dunk, maverick, steamroller, tick-tack-toe, valence