1. A pigeon inhabiting rocks and caves.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• eock pigeon,
• dock pigeon,
• fock pigeon,
• tock pigeon,
• 5ock pigeon,
• 4ock pigeon,
• rick pigeon,
• rkck pigeon,
• rlck pigeon,
• rpck pigeon,
• r0ck pigeon,
• r9ck pigeon,
• roxk pigeon,
• rovk pigeon,
• rofk pigeon,
• rodk pigeon,
• rocj pigeon,
• rocm pigeon,
• rocl pigeon,
• roco pigeon

The adjective form of the word "rock pigeon" is "rock-pigeon".

The plural form of the word "rock pigeon" is "rock pigeons".

The singular form of the word "rock pigeon" is "rock pigeon". The noun does not change in its singular form.