What does "beech nut" mean?

The edible nut of the beech tree, Fagus.

What is a synonym for "beech nut"?

Common synonyms include: beech, beechnut, beechnuts.

Pronounced //ˈbiːtʃˌnʌt//.

/ˈbiːtʃˌnʌt/ noun

noun ·Rare ·Advanced level

Noun

From beech + nut.