sac·cu·lar 
(săkyə-lər) or sac·cu·lat·ed (-lā′tĭd) also sac·cu·late (-lāt′)
(săkyə-lər) or sac·cu·lat·ed (-lā′tĭd) also sac·cu·late (-lāt′)adj.
Formed of or divided into a series of saclike dilations or pouches.
sac′cu·lation (-lāshən) n.