onomastic

[ on-uh-mas-tik ]
/ ˌɒn əˈmæs tɪk /

adjective

of or relating to proper names.
of or relating to onomastics.
Law. (of a signature) written in the handwriting other than that of the document, instrument, etc., to which it is appended.

Origin of onomastic

1600–10; < Greek onomastikós, derivative of onomázein to name; see -tic

British Dictionary definitions for onomastic

onomastic
/ (ˌɒnəˈmæstɪk) /

adjective

of or relating to proper names
law denoting a signature in a different handwriting from that of the document to which it is attached

Word Origin for onomastic

C17: from Greek onomastikos, from onomazein to name, from onoma name