From Wiktionary, the free dictionary
( US ) IPA (key ) : /æbˈdɑm.ə.nl̩ ˈɹi.d͡ʒən/ , /əbˈdɑm.ə.nl̩ ˈɹi.d͡ʒən/
abdominal region (plural abdominal regions )
( anatomy ) One of the nine areas that the abdomen is divided into.[ 1]
2012 , Sandra L. Hagen-Ansert, Textbook of Diagnostic Sonography [1] , Elsevier Health Sciences, →ISBN , →OCLC , page 121 :To identify specific abdominal structures or to refer to an area of pain, the abdomen may be divided into four quadrants or nine abdominal regions .
Used other than figuratively or idiomatically: see abdominal , region .
2011 August 5, Brian Seaward, The Art of Peace and Relaxation Workbook [2] , Jones & Bartlett Publishers, →ISBN , →OCLC , page 228 :When you feel ready, slowly exhale, allowing the air to move comfortably from your abdominal region up through the top of your head.
^ Philip Babcock Gove (editor), Webster's Third International Dictionary of the English Language, Unabridged (G. & C. Merriam Co., 1976 [1909], →ISBN ), page 2