1. Relating to a cavity or having a cavity or cavities. 2. Denoting any animal parasite that has an enteric canal or body cavity and that lives within the host's body.
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cav·i·tary 'kav-ə-.ter-ē adj of, relating to, or characterized by bodily cavitation <\cavitary tuberculosis> <\cavitary lesions>
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cav·i·tary (kavґĭ-tar″e) 1. characterized by the presence of a cavity or cavities. 2. any entozoon with a body space or alimentary canal.Medical dictionary. 2011.