Gyro-pigeon \Gy"ro-pi`geon\ (j[imac]"r[-o]*p[i^]j`[u^]n), n. [L.
gyrare to revolve + E. pigeon.]
A flying object simulating a pigeon in flight, when projected
from a spring trap. It is used as a flying target in shooting
matches. --Knight.
[1913 Webster]