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orbiter | meaning of orbiter in Longman Dictionary of Contemporary English | LDOCE

From Longman Dictionary of Contemporary EnglishRelated topics: Astronomyorbiteror‧bit‧er /ˈɔːbɪtə $ ˈɔːrbɪtər/ noun [countable] technical    a spacecraft that is sent into space to travel around the moon or a planet without ever landing on it. It carries equipment but not people and is designed to gather information  a lunar orbiter