Of or pertaining to the abdomen; ventral; as, the abdominal regions, muscles, cavity.
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.
A fish of the group Abdominales.
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