paper-train
pa·per-train
(pā′pər-trān′)tr.v. pa·per-trained, pa·per-train·ing, pa·per-trains
To train (a dog, for example) to urinate and defecate indoors on paper.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
pa′per-train`
v.t.
to train (a pet) to defecate or urinate on sheets of disposable paper.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.