Definition of "gibbose"

gibbose

adjective
comparative more gibbose, superlative most gibbose
1. humped; protuberant; having one or more large elevations
  Quotations
  Of those which are of a more globose figure , or have both shells gibbose and armed with spines, there are , 1. The large , very gibbose Ostrea , with rounded and not very numerous spines […]
  1752, John Hill, A General Natural History