[mass noun] A thin coating of ice or frozen rain on an exposed surface.
ice crystals, ice, rime, rime ice, verglasView synonyms
- ‘A recent ice storm had coated the tree branches with a thin layer of verglas, which was now falling down all around me in chunks.’
- ‘The rocks were still wet, even coated with verglas in a few places, but it wasn't raining.’
Early 19th century: French, from verre glass + glas (now glace) ice.