[sig.na.to.ry] n, pl -ries [L signatorius of sealing, fr. signare] (1866): a signer with another or others "signatories to a petition"; esp: a government bound with others by a signed convention -- signatory adj
SIGNATORY
Meaning of SIGNATORY in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012