Abdominal

• pertaining to the belly
• Pertaining to structures on the abdomen.
• An adjective used to relate something to the abdomen, for instance, the abdominal wall or abdominal pain.
• Pertaining to the belly or abdomen. Pelvic fins are abdominal if situated well behind the pectoral fins.
• relating to the abdomen (inside and out).
• the muscles of the abdomen
• of or relating to or near the abdomen; "abdominal muscles"