Find the word definition

The Collaborative International Dictionary
Excussion

Excussion \Ex*cus"sion\, n. [L. excussio a shaking down; LL., a threshing of corn: cf. F. excussion.] The act of excusing; seizure by law. [Obs.]
--Ayliffe. [1913 Webster] ||

Wiktionary
excussion

n. The process or proceedings whereby a creditor must proceed against a principal debtor before proceeding against a surety or subsidiary debtor.