unbrace

un·brace  (n-brs)

tr.v. un·braced, un·brac·ing, un·brac·es

1. To set free by removing bands or braces.

2. To release from tension; relax.

3. To make slack; weaken.

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unbrace [ʌnˈbreɪs]

vb (tr)

1. to remove tension or strain from; relax

2. to remove a brace or braces from

Thesaurus

Verb	1.	unbrace - undo the ties of; "They untied the prisoner" unlace, untie unloose, unloosen - loosen the ties of; "unloose your sneakers" unlash - untie the lashing of; "unlash the horse" undo - cancel, annul, or reverse an action or its effect; "I wish I could undo my actions"
	2.	unbrace - remove from tension                   relax, unbend - make less taut; "relax the tension on the rope"
	3.	unbrace - remove a brace or braces from weaken - lessen the strength of; "The fever weakened his body"