/ Thesaurus / S Synonyms of stuffing box Find synonyms for: Noun1. stuffing box, packing box, chamberusage: a small chamber in which packing is compressed around a reciprocating shaft or piston to form a sealWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: effervescent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language