covenant
1. cov.e.nant \'k*v-(*-)n*nt\ \.k*v-*-'nant-*l\ n [ME, fr. OF, fr. prp. of covenir to agree, fr. L convenire] 1: a usu. formal, solemn, and binding agreement : COMPACT 2a: a written agreement or promise usu. under seal between two or more part ies esp. for the performance of some action 2b: the common-law action to recover damages for breach of such a contract - cov.e.nan.tal aj 2. cov.e.nant \'k*v-(*-)n*nt, -*-.nant\ vt : to promise by a covenant : PLEDGE to enter into a covenant : CONTRACT
Webster's English Dictionary