- to prepare (an automobile, house, etc.) for cold weather by (in automobiles) adding antifreeze and changing oil or (in houses) adding insulation, heating units, etc.
- to winterize an automobile, house, etc.
Also especially British, win·ter·ise.
Origin of winterize
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- (tr) US and Canadian to prepare (a house, car, etc) to withstand winter conditions
Word Origin and History for winterize
Online Etymology Dictionary, © 2010 Douglas Harper