Bellying

from WordNet (r) 3.0 (2006)

bellying
    adj 1: curving outward [syn: {bellied}, {bellying}, {bulbous},
           {bulging}, {bulgy}, {protuberant}]

from The Collaborative International Dictionary of English v.0.48

Belly \Bel"ly\, v. t. [imp. & p. p. {Bellied}; p. pr. & vb. n.
   {Bellying}.]
   To cause to swell out; to fill. [R.]
   [1913 Webster]

         Your breath of full consent bellied his sails. --Shak.
   [1913 Webster]