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base

noun [C] (MAIN PLACE)
 
 
/beɪs/

Definition

B2 the main place where a person lives and works, or a place that a company does business from: I spend a lot of time in Brussels, but London is still my base. Nice is an excellent base for (= place to stay when) exploring the French Riviera.Places involved in military activity
(Definition of base noun (MAIN PLACE) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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