homing pigeon
noun [ C ] uk/ˈhəʊ.mɪŋ ˌpɪdʒ.ən/ us/ˈhoʊ.mɪŋ ˌpɪdʒ.ən/
信鸽
a pigeon (= a type of bird) that is trained to return to its home from any place that it starts its journey
Compare: carrier pigeonracing pigeon
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