Final answer:
In Aristophanes' play Lysistrata, the significance of Calonice's 'vast posterior bodily feature' is a metaphor for power and control. It represents the physical strength and unity of the women to bring about change in the male-dominated society.
Step-by-step explanation:
In Aristophanes' play Lysistrata, the significance of Calonice's 'vast posterior bodily feature' is that it is used as a humorous metaphor for power and control. The women in the play are fed up with the war and the devaluation of women, so they withhold sex from the men to force them to negotiate peace. Calonice's 'vast posterior bodily feature' represents her physical strength and the power that women possess to bring about change. Through this exaggerated body part, Aristophanes highlights the women's unity and their ability to challenge the male-dominated society.