Ab‐dom″i‐nal (�), a. [Cf. F. abdominal.] 1. Of or pertaining to the abdomen; ventral; as, the abdominal regions, muscles, cavity.
2. (Zoöl.) Having abdominal fins; belonging to the Abdominales; as, abdominal fishes.
Abdominal ring(Anat.), a fancied ringlike opening on each side of the abdomen, external and superior to the pubes; — called also inguinal ring.