Wiktionary
vb. (context transitive English) To prevent from moving (from a building, in a city, etc) by a large snowfall.
Usage examples of "snow in".
It rushed upon him, flurrying snow in its downdraught as it hovered, then moved ahead of him, skimming the ground.
The storm had washed itself out around the stand of trees, leaving a small eastern hollow with barely a foot of snow in it, where he quickly cleared a spot to the icy ground.
They tied the loot to each body, for weight, lowered each one in the freezing water, and swept the bloody snow in the hole.
A fleeting shadow caught his attention running across the white snow in the large open meadow beside the house.
The sky remained clear and cloudless, but the wind blew up the snow in choking clouds, and it became quite murky.
She continued to sit, watching the temperature of the crowd rise even as the ambient temperature struggled up to begin to melt the snow in steady drips.
Then they were off again, a wedge of racing riders several hundreds of yards wide, plowing up plumes of snow in their wake.
Rabbit tracks marred the snow in places, blurred where they had leapt, and once he saw the prints of a cat that had to be as large as a leopard.