| Noun | 1. | coat of arms - the official symbols of a family, state, etc.crest - (heraldry) in medieval times, an emblem used to decorate a helmet heraldry - emblem indicating the right of a person to bear arms quartering - a coat of arms that occupies one quarter of an escutcheon; combining four coats of arms on one shield usually represented intermarriages heraldry - the study and classification of armorial bearings and the tracing of genealogies | |