quercus

Definitiones

1. an oak, oak-tree, especially the Italian oak
   declension-2, declension-4
2. something made from oak wood (e.g., an oaken ship, an oaken javelin, etc.)
   declension-2, declension-4, poetic

Aequivalentia

Exempla

“Ac velut annōsō validam cum rōbore quercum Alpīnī Boreae nunc hinc nunc flātibus illinc”

And just as a mighty oak with strength in age, when Alpine Northwinds — by [their] blows, now [to] this side, now that — compete among themselves to uproot [it]; ….

Gradus CEFR