- Posterior branches of abdominal aorta. See examples of POSTERIOR used in a sentence. See back. See ‘Meaning & use’ for definitions, usage, and quotation evidence. later in time 3. Learn more. pos•te•ri•or•ly, adv. Posterior is often used as a technical term in biology and medicine to refer to the back side of things, and is the opposite of anterior, which refers to the front side. pos•te•ri•or /pɑˈstɪriɚ, poʊ-/ adj. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. coming after or following another in a series There are nine meanings listed in OED's entry for the word posterior, four of which are labelled obsolete. mnye hp3pzw ab si am5dz rpt l1mjy fs4 b7x12l nxb9
