brake 3 
(brāk)
(brāk)n.
A lever or handle on a machine such as a pump.
[Middle English, from Old French brac, from oblique form of bras, arm; see BRACER2.]
- unobtrusive
- unobtrusively
- unobtrusiveness
- unoccupied
- unofficial
- unofficially
- unopposed
- unorganized
- unoriginal
- unornamented
- unorthodox
- unorthodoxly
- unorthodoxy
- unostentatious
- unostentatiously
- unpack
- unpacked
- unpaged
- unpaginated
- unpaid
- unpalatability
- unpalatable
- unpalatably
- unparalleled
- unparliamentary