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rainproof

[reyn-proof] /ˈreɪnˌpruf/
adjective
1.
impervious to rain; keeping out or unaffected by rain:
a rainproof cover; a rainproof coat.
verb (used with object)
2.
to make rainproof.
Origin
1825-1835
1825-35; rain + -proof
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for rain proofed

rainproof

/ˈreɪnˌpruːf/
adjective
1.
Also raintight. (of garments, materials, buildings, etc) impermeable to rainwater
verb
2.
(transitive) to make rainproof
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for rain proofed

rainproof

adj.

also rain-proof, 1788, from rain (n.) + proof (n.).

Online Etymology Dictionary, © 2010 Douglas Harper
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Word Value for rain

4
5
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