From The Collaborative International Dictionary of English v.0.48: Costage \Cost"age\ (k?st"?j; 115), n. [OF. coustage.] Expense; cost. [Obs.] --Chaucer. [1913 Webster]
Costage \Cost"age\ (k?st"?j; 115), n. [OF. coustage.] Expense; cost. [Obs.] --Chaucer. [1913 Webster]