From Longman Dictionary of Contemporary Englishposteriorpos‧te‧ri‧or1 /pɒˈstɪəriə $ pɑːˈstɪriər/ adjective [only before noun]technicalBACK/BACKWARDSnear or at the back of somethingOPP anterior
the posterior part of the brainExamples from the Corpusposterior• Both anterior and posteriorattention systems have many subcortical partners in doing their job, especially in the thalamus.• In phenotypically abnormalbrains, there was some disorganized differentiation of neuronscaudal to the posterior commissure.• Both the four eye and spotfin have a posterior eye spot.• In the posterior part of the body there appears to be a distinct mid-line streak and diagonal marks running out from it.• Axons from this same area project into the posteriorpituitary.• The theorem states that the posteriorprobability is proportional to the prior probability multiplied by the likelihood.posteriorposterior2 noun [countable]HBHthe part of the body you sit on – used humorouslySYN buttocks, bottomExamples from the Corpusposterior• The central position was taken by the headmaster himself, and the live coals sent vividwarmth to his posterior.• Then he allowed me to rub it into his injuredposterior, a great thrill for me.• But in the background, two posteriors are clearly visible.• Daphne's hugebosom and vastposterior looked as if they were about to burst from her too-tight black costume.• Greg sank into the leatherwarmed by his voluptuousposterior.Originposterior1(1500-1600)Latin“further behind”, from posterus“coming after”, from post; → POST-
