sunproof
impervious to the rays of the sun
Adjective
- impervious to the rays of the sun
- There once a charnel-house, now a vast cave, Over whose brow a pale and untrod grove Throws out her heavy shade, the mouth thick arms Of darksome yew, sun-proof, for ever choke - 1606, John Marston, The Wonder of Women:
Origin
From sun + -proof.