(a.) Opposite to the northern or arctic pole; relating to the southern pole or to the region near it, and applied especially to a circle, distant from the pole 23¡ 28/. Thus we say the antarctic pole, circle, ocean, region, current, etc.
(n.) Hence: A full collection or set of implements, or utensils, for a given duty, experimental or operative; any complex instrument or appliance, mechanical or chemical, for a specific action or operation; machinery; mechanism.
(n.) A collection of organs all of which unite in a common function; as, the respiratory apparatus.