tappit-hen

tap·pit-hen

 (tăp′ĭt-hĕn′)
n. Scots
A large mug with a knobbed lid.

[Scots, hen with a crest on its head, tappit-hen, tappit, crested (variant of topped, past participle of top), hen.]
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.

tappit-hen

n
1. (Animals) a hen with a crest
2. a pewter tankard, usually with a distinctive knob on the lid
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014