[rhy. sl. = bum n.1 (1); ult. anker, ‘A measure of wine and spirits, used in Holland, North Germany, Denmark, Sweden, and Russia. It varies in different countries; that of Rotterdam, formerly also used in England, contains 10 old wine gallons or 8? imperial gallons.’ (OED)]
the buttocks, the posterior.
JoyceUlysses 404: And her take me to rests and her anker of rum.
![[Ire]](/static/img/flags/ire.png "Ireland")