PA's

PA's

pl n
(Mountaineering) mountaineering a type of rock boot
[C20: named after Pierre Allain, French climber]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in classic literature ?
Pa's luck didn't hold out; a steamboat run over the forrard corner of the raft one night, and we all went overboard and dove under the wheel; Jim and me come up all right, but pa was drunk, and Ike was only four years old, so they never come up no more.
Here, Miss Lavinia, from her kneeling situation under the table, put in that she didn't want to be 'poored by pa', or anybody else.