How do you spell Sunder 

Available Definitions:
1)  v. t. - To disunite in almost any manner, either by rending, cutting, or breaking; to part; to put or keep apart; to separate; to divide; to sever; as, to sunder a rope; to sunder a limb; to sunder friends.
2)  v. i. - To part; to separate.
3)  v. t. - A separation into parts; a division or severance.
4)  v. t. - To expose to the sun and wind.