verb (used with object), sum·mer·ized, sum·mer·iz·ing.
to prepare (a house, car, etc.) so as to counteract the hot weather of summer: to summerize a house by adding air conditioning.
to protect in hot weather for future use: to summerize a snowmobile.
Also especially British, sum·mer·ise.
Origin of summerize
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Online Etymology Dictionary, © 2010 Douglas Harper