… well-defined reddish lesions that can appear anywhere on the body but most often on the thighs and abdomen …—Susan Logan-McCracken
also: the cavity of the abdomen that is lined by peritoneum, is bounded above by the diaphragm, anteriorly by a wall of muscle and tissue, and posteriorly by the spinal column, is continuous below with the pelvic cavity, and contains many of the visceral organs and especially those involved in digestion (such as the stomach, liver, pancreas, kidneys, and intestines) : abdominal cavity
Removal of the gallbladder—a pear-shaped sac in the right side of your abdomen—has little adverse effect on digestion. —The Mayo Clinic Health Letter
: the posterior section of the body behind the thorax in an arthropod
On a nearby table was a … dish of ants that looked familiar except that they had been feeding on peach nectar and the abdomen of each was a large, swollen, translucent sac.—The New Yorker
showed us a tiny tattoo on her abdomen, right next to her belly button
Recent Examples on the WebMedical device makers Johnson & Johnson’s third-quarter sales for devices used in abdomen surgeries was hit by a slowdown in demand for weight-loss and other procedures, as many obese patients turned to Wegovy and Ozempic.—Reuters, Fortune, 13 Nov. 2023 This bee’s head and wings were metal, and its abdomen glass.—Noah Lederman, Popular Science, 2 Nov. 2023 Many are found by the road unconscious and driven 12 hours to the hospital with wounds in their heads, chests, and abdomens that require urgent surgeries.—Ben Hubbard, BostonGlobe.com, 27 Aug. 2023 Clinging to their comb, some of the giant honeybees flick their abdomens, and others follow.—Victoria Sayo Turner, Smithsonian Magazine, 26 Sep. 2023 During an open fetal surgery, the mother’s abdomen is opened up and the fetus is partially removed so that the defect can be repaired, according to the Ann and Robert H. Lurie Children’s Hospital of Chicago.—Addison Aloian, Women's Health, 7 Sep. 2023 For premiere in Los Angeles earlier this month, Waller-Bridge opted for a sleek suit featuring an abdomen cut-out by Alexander McQueen.—André-Naquian Wheeler, Vogue, 26 June 2023 Mattia, 58, was shot once in the back as well as in his abdomen, shoulder, buttock, forearm, elbow and both thighs, the report found.—The Arizona Republic, 23 June 2023 The teen died June 1 after he was shot once in the abdomen area by officer Roch Gruszeczka, authorities said.—Minyvonne Burke, NBC News, 16 June 2023 See More
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'abdomen.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
borrowed from Middle French & Latin; Middle French, borrowed from Latin abdōmen "fat underpart of an animal, belly, paunch," of uncertain origin
Often seen as a derivative of abdere, "to hide, conceal," i.e., "that which is hidden," based on a nominal ablaut form *dhoh1- from the root *dheh1- "put." However, Latin abdōmen refers primarily to a body part of animals, and more or less humorously of humans; such usage suggests something prominent rather than something concealed, so the derivation looks somewhat unlikely.
: the part of the body between the thorax and the pelvis with the exception of the back
: the cavity of the abdomen that is lined by the peritoneum, is bounded above by the diaphragm, anteriorly by a wall of muscle and tissue, and posteriorly by the spinal column, is continuous below with the pelvic cavity, and contains many of the visceral organs and especially those involved in digestion (such as the stomach, liver, pancreas, kidneys, and intestines) : abdominal cavity
: the posterior often elongated region of the body behind the thorax in arthropods