Use "hoarfrost" in a sentence

1. Here the Hoarfrost River region abuts onto the great Shield-edge lakes - Great Bear, Great Slave, Athabasca, Wollaston, Reindeer, South Indian - famous for their interlocking convolutions of islands and bays.

2. An Austerely stylized documentary in which six devout Catholics pray in front of the cameras, Ulrich Seidl's "Jesus, You Know" is visually glorious and sometimes moving, but comes coated with a thick hoarfrost of irony.

3. (38:21) And what about the storehouses of snow and of hail, the storm and the rain and the dewdrops, the ice and the hoarfrost, the mighty heavenly constellations, the lightnings and cloud layers, and the beasts and the birds?