sbo

1) middle of the front of the torso, [upper] belly, side [sbo chu la sbang ma dgos par, rkyal nya 'dra po rgyag 'dod]; 2) dbo; 3) [p sbos],, swell, be inflated/ distended [IW]

the upper part of the belly [RY]

upper part of the belly, side of the body, belly, to swell up, get distended [JV]