Definition of "unlatch" []

• To unfasten or open by releasing the latch. (verb-transitive)
• To become unfastened or opened. (verb-intransitive)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Getting that right hand to unlatch from the hold it's clinging to desperately when the crash pad is twelve feet under your butt and the next hold requires a great big lunge on awkwardly-positioned feet to get to, and you're, you know, mostly upside-down ... it's a little challenging to the lizard brain."
• "I was fingering a vast array of multicolored, multipurpose, neat and folded undergarments, in ever-towering fascination; and I heard the door unlatch, precipitously, smoothly along its well-oiled carvings."
• "The patience of waiting, when he wanted to go home and when Steward continued to sit at table and talk and drink beer, was his, as was the patience of the rope around the neck, the fence too high to scale, the narrowed - walled room with the closed door which he could never unlatch but which humans unlatched so easily."