adj situated behind; hinder;
opposed to anterior.
2. posterior ·adj on the side next the axis of inflorescence;
said of an axillary flower.
3. posterior ·adj at or toward the caudal extremity; caudal;
in human anatomy often used for dorsal.
4. posterior ·adj later in time; hence, later in the order of proceeding or moving; coming after;
opposed to prior.