/sig"neuh tawr'ee, -tohr'ee/ , adj., n., pl. signatories .
adj.
1. having signed, or joined in signing, a document: the signatory powers to a treaty.
n.
2. a signer, or one of the signers, of a document: France and Holland were among the signatories of the treaty.
[ 1640-50, in earlier sense "used in affixing seals"; 1860-65 for def. 2; signatorius of, belonging to sealing, equiv. to signa ( re ) to mark, seal (see SIGN) + -torius -TORY 1 ]