/ Thesaurus / I Synonyms of iron collar Find synonyms for: Noun1. garrote, garotte, garrotte, iron collar, instrument of executionusage: an instrument of execution for execution by strangulationWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: penury Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language