turn·buck·le 
(tûrnbŭk′əl)
(tûrnbŭk′əl)n.
A metal coupling device consisting of an oblong piece internally threaded at both ends into which the corresponding sections of two threaded rods are screwed in order to form a unit that can be adjusted for tension or length.
- disillusion
- disillusionment
- disillusive
- disincarnate
- disincentive
- disinclination
- disincline
- disinclined
- disincorporate
- disincorporation
- disinfect
- disinfectant
- disinfection
- disinfest
- disinfestation
- disinflation
- disinflationary
- disinform
- disinformant
- disinformation
- disinformer
- disingenuous
- disingenuously
- disingenuousness
- disinherit