1768-82  (1904)  . . . having a very small portion of rum, and no prospect of encreasing my stock; I was therefore obliged to dilute it so as to make it about one-fifth part weaker than usual, which made twenty gallons of very passable Indian rum.
1793  (1933)  Mixed nine Gallons of Indian rum[,] it being customary for Bourgeois to wet the whistle of every Indian they meet on the way.
1835  (1944)  We were induced to offer a blanket i gall: Ind. Rum & a head of tobacco per beaver. . . .
1944  "Indian rum" was rum diluted with water.