a wholesale or retail establishment that stocks merchandise.
Origin of stockist
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
commerce, British a dealer who undertakes to maintain stocks of a specified product at or above a certain minimum in return for favourable buying terms granted by the manufacturer of the product
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