1. A man or an animal that catches rats.

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

• catter,
• ragatter,
• arter,
• raather,
• uttter,
• ratle,
• rathter,
• atteh,
• ratehr,
• rmatter,
• raite,
• eatter,
• atter,
• raither,
• rateed,
• rotater,
• gatter,
• ratte,
• ratge,
• ratten

• Ritter,
• retter,
• rather,
• rotter,
• raider,
• radar,
• rader,
• radyera,
• rattray,
• Rutter.

The adjective form of the word "ratter" is "rattier".

The plural of the "ratter" can be the "ratters".

The singular of the "ratter" can be the "ratter".