Wordnet polsko-angielski 
                        
1. (nut of any of several trees of the genus Corylus) 
hazelnut, filbert, cobnut, cob 
2. (small nut-bearing tree much grown in Europe) 
cobnut, filbert, Corylus avellana, Corylus avellana grandis: : synonim: leszczyna pospolita
Nowoczesny słownik polsko-angielski 
                        cobnut
hazelnut
filbert