Boglwm, n. a boss, knob
Boglyniad, n. bossing
Boglynu, v. to boss; to bubble
Boglynwaith, n. embossment
Bol, n. belly
Bolaid, n. belly-full
Bolchwydd, n. tympany, swell
Bolchwyddo, v. to swell the belly; to swagger
Boldyn, a. tight-bellied
Bolera, v. to spunge; to guzzle