The Collaborative International Dictionary
Stackage
Stackage \Stack"age\ (st[a^]k"[asl]j), n.
Hay, grain, or the like, in stacks; things stacked. [R.]
A tax on things stacked. [R.]
--Holinshed.
Wiktionary
stackage
n. 1 hay, grain, etc. in stacks; things stacked. 2 A tax on things stacked.