D defs.my
Entry 4 senses Webster, 1913

Posterior

/(pŏs*tē"rĭ*ẽr)/ · Pos·te·ri·or · IPA /poʊˈstɪɹ.i.ɚ/
01 a. Later in time; hence, later in the order of proceeding or moving; coming after; -- opposed to prior.
  1. 1.
    Later in time; hence, later in the order of proceeding or moving; coming after; -- opposed to prior.
    “Hesiod was posterior to Homer.” — Broome.
  2. 2.
    Situated behind; hinder; -- opposed to anterior.
  3. 3.
    At or toward the caudal extremity; caudal; -- in human anatomy often used for dorsal.(Anat.) Also: dorsal
  4. 4.
    On the side next the axis of inflorescence; -- said of an axillary flower.(Bot.)