1Of the nature of or relating to a reply. Now rare.
Chiefly in legal contexts..
2Biology = replicative.
Origin
Mid 17th century; earliest use found in Joseph Hall (1574–1656), bishop of Norwich, religious writer, and satirist. Originally from post-classical Latin replicatorius concerned with replication from classical Latin replicāt-, past participial stem of replicāre + -ōrius.