Cite
 

Meaning of weatherize

weath•er•ize

Pronunciation: (we'u-rīz"), [key]
— -ized, -iz•ing.
  1. to make (a house or other building) secure against cold or stormy weather, as by adding insulation, siding, and storm windows.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.