zoeaEnglishMerriam-Webster Dictionaryli>chest; especially : strongboxtreasury, funds —usually used in plurala recessed panel in a vault, ceiling, or soffit Definition (Entry 1 of 2) 1 : chest //Among the items at the auction was an 18th-century oak coffer.especially : strongbox //put the money in the coffer2 : treasury, funds —usually used in plural //… public coffers running dry in a bleak economy … — Vivienne Walt and Roya Wolverson //corporate coffers3 : a recessed panel in a vault, ceiling, or soffit //ceiling coffers