unbrace

From un- +‎ brace.

• (UK) IPA^(key): /ʌnˈbɹeɪs/

unbrace (third-person singular simple present unbraces, present participle unbracing, simple past and past participle unbraced)

1. (transitive) To undo, unfasten; to relax, loosen.
   • 1590, Edmund Spenser, “Book II, Canto IV”, in The Faerie Queene. […], London: […] [John Wolfe] for William Ponsonbie, →OCLC:

     The knight emboyling in his haughtie hart, / Knit all his forces, and gan soone vnbrace / His grasping hold [...].