weatherproof

(-pro̵̅o̅f′)

adjective

that can be exposed to wind, rain, snow, etc. without being damaged

transitive verb

to make weatherproof

See weatherproof in American Heritage Dictionary 4

adjective
Capable of withstanding exposure to weather without damage.
transitive verb weath·er·proofed, weath·er·proof·ing, weath·er·proofs
To make weatherproof.

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