- 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 .