1. The oak genus of trees.

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

• 1uercus,
• 2uercus,
• wuercus,
• queercus,
• quercuis,
• quercs,
• quercu,
• qeurcus,
• quecrus,
• quercsu,
• querkus,
• queriur,
• turcus,
• quercie,
• quelchs,
• queryns,
• querqus,
• quercous,
• querkas,
• quercas

The adjective form of the word "quercus" is "quercine".

The plural form of the word "quercus" is "quercuses".

The singular form of the word "quercus" is "quercus".