Definify.com
Webster 1913 Edition
Postposition
1.
The act of placing after, or the state of being placed after.
“The postposition of the nominative case to the verb.” Mede.
2.
A word or particle placed after, or at the end of, another word; – distinguished from preposition.
Webster 1828 Edition
Postposition
POSTPOSI'TION
,Noun.