Swell out or bulge out.

synonym: belly.

Roget 250: be prominent etc. adj.; project, bulge, protrude, pout, bouge [Fr.], bunch; jut out, stand out, stick out, poke out; stick up, bristle up, start up, cock up, shoot up; swell over, hang over, bend over; beetle.    render prominent etc. adj.; raise 307; emboss, chase.    [become convex] belly out.    ... show more