Meaning of EXPLORATORY in English

[adjective]Brian is going on an exploratory expedition to Antarctica (= is travelling there in order to discover more about it) next month.We're having an exploratory meeting next week to talk about (= a meeting in order to examine) the possibility of merging the two companies.I'm having some exploratory tests done to find out what's causing my illness.An exploratory well has been dug to look for oil.

Cambridge English vocab.      Кембриджский английский словарь.