noun

a buttock and thigh considered together, in a human or animal.

buttocks,thighs,hips,hindquarters,bottom,rump,rear,rear end,backside,seat,derrière,Sitzfleisch,behind,sit-upon,stern,BTM,tochus,rusty dusty,bum,botty,prat,jacksie,bahookie,butt,fanny,tush,tushie,tail,duff,buns,booty,caboose,heinie,patootie,keister,tuchis,bazoo,bippy,batty,rass,fundament,posterior,nates,breech,arse,clunge,ass