D defs.my
Entry 2 senses Webster, 1913

Bocardo

· Bo·car·do · IPA
01 n. A form of syllogism of which the first and third propositions are particular negatives, and the middle term a universal affirmative.
  1. 1.
    A form of syllogism of which the first and third propositions are particular negatives, and the middle term a universal affirmative.(Logic)
    “Baroko and Bocardo have been stumbling blocks to the logicians.” — Bowen.
  2. 2.
    A prison; -- originally the name of the old north gate in Oxford, which was used as a prison.[Eng.]