a small can or drinking cup.
a small wooden bucket.
Origin of cannikin
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
canakin or canikin
a small can, esp one used as a drinking vessel
Word Origin for cannikin
C16: from Middle Dutch kanneken; see can ², -kin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012