sunproof

adj

sunproof

adj

Etymology From sun + -proof.

1

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 choke1606, John Marston, The Wonder of Women:

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.