The Collaborative International Dictionary
Impressor
Impressor \Im*press"or\ ([i^]m*pr[e^]s"[~e]r), n. [LL., a
printer.]
One who, or that which, impresses.
--Boyle.
Wiktionary
impressor
n. One who, or that which, impresses.
Usage examples of "impressor".
Unfortunately, one of them is to stay close to their Impressor or I'd have proof positive.