- a satchel, suitcase, etc.
- the buttocks; rump
Origin of keisterprobably ; from German kiste, chest, case, (slang) rump ; from Old High German ; from Classical Latin cista, chest
- The buttocks.
- The anus.
Origin of keisterEarlier, satchel, suitcase, ultimately from German Kiste, box, case (also buttocks, anus, in German slang), from Middle High German, box, case, from Old High German kista, from Latin cista; see chest.