Definitions for onomasticˌɒn əˈmæs tɪk
Random House Webster's College Dictionary
on•o•mas•ticˌɒn əˈmæs tɪk(adj.)
of or pertaining to proper names.
of or pertaining to onomastics.
(of a signature) not in the same hand as the document to which it is appended.
Origin of onomastic:
1600–10; < Gk onomastikós, der. of onomázein to name, der. of ónoma name
of or related to onomastics
"he published a collection of his onomastic essays"
of, or relating to a personal or place name
of, or relating to onomastics
Origin: From ὀνομαστικός.