unpen

unpen

(ʌnˈpɛn)
vb (tr)
1. (Agriculture) (of animals, livestock, etc) to release from a pen or enclosure
2. (of ideas or emotions) to vent, to let out
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

un•pen

(ʌnˈpɛn)

v.t. -penned, -pen•ning.
to release from confinement.
[1585–95]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.