1 A written and legally enforceable agreement or promise that is often a part of a contract or deed, especially one to maintain the status quo of something or to do or not do something during the term of the covenant. 2 An implied promise that is incidental to a contract or deed. 3 A warranty, especially one made in connection with the sale or transfer of land. 4 Same as contract under seal; see contract. 5 An action under the common law to recover damages for the breach of a contract under s...