carrier pigeon

US /ˈkær.i.ər ˌpɪdʒ.ɪn/
UK /ˈkær.i.ər ˌpɪdʒ.ɪn/
"carrier pigeon" picture
1.

信鴿

a pigeon trained to carry messages

:
During the war, carrier pigeons were used to send secret messages.
戰爭期間,信鴿被用來傳遞秘密信息。
The old man kept a flock of carrier pigeons on his rooftop.
老人屋頂上養了一群信鴿