unlatch: Meaning and Definition of

un•latch

Pronunciation: (un-lach'), [key]
— v.t.
  1. to unfasten (a door, window shutter, etc.) by lifting the latch.
—v.i.
  1. to become unlatched.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.