1. A warbler.

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

• quavrr,
• quaverr,
• quaveer,
• quaver,
• 1uaverer,
• 2uaverer,
• wuaverer,
• auaverer,
• qyaverer,
• qhaverer,
• qjaverer,
• qiaverer,
• q8averer,
• q7averer,
• quzverer,
• quaverre,
• Quavurer,
• Queverr,
• Quaveror,
• Quaveur

The plural of the "Quaverer" can be the "quaverers".

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