01 a. Of or pertaining to the abdomen; ventral; as, the abdominal regions, muscles, cavity.
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1.
Of or pertaining to the abdomen; ventral; as, the abdominal regions, muscles, cavity.
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2.
Having abdominal fins; belonging to the Abdominales; as, abdominal fishes.(Zool.)
Phrases & compounds
Abdominal ring —
a fancied ringlike opening on each side of the abdomen, external and superior to the pubes; -- called also inguinal ring.