Definify.com

Webster 1913 Edition

Sunproof

Sun′proofˊ

,

Adj.

Impervious to the rays of the sun.

“Darksome yew, sunproof.”

Marston.

Webster 1828 Edition

Sunproof

SUN'PROOF

,

Adj.

[sun and proof.] Impervious to the rays of the sun.