出典:Wiktionary
From British (“relating to Britons, Britain, または the Britains”) + isles (“islands”).[1] Compare Ancient Greek Βρεττανίδες νῆσοι (Brettanídes nêsoi) and Latin Britannicae insulae (“英国用法 islands”).
the British Isles pl
The name is usually applied in a geographical or territorial sense, rather than as a term for a political unit. In Ireland, some prefer not to use the term.[3] Use may exclude the Channel Islands, which are closer to mainland Europe than to the other islands.