carrier pigeon

pigeon trained to carry messages tied to its leg or neck 信鸽.

carol, caroller, carotid, carousal, carouse, carousel (US carrousel), carp, carpal, carpenter, carpentry, carperter, carpet, carpet-bag, carpet-slippers, carpet-sweeper, carping, carriage, carriageway, carrier, carrier bag, carrion, carrion crow, carrot, carroty, carrousel, carry, carry away, carry back, carry forward, carry into effect, carry off, carry on, carry out, carry over, carry sb back (to sth), carry sb through (sth), carry sth forward (in bookkeeping), carry sth off, carry sth out, carry sth over,