Pronunciation: (un-hook'), [key]
1. to detach by or as if by releasing a hook: to unhook a tractor from a trailer.
2. to unfasten or open by undoing a hook or hooks: to unhook a door; to unhook a corset.
to become unhooked.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.