| Word | Definitions | Synonyms |
|---|---|---|
| cobnut | (noun) nut of any of several trees of the genus Corylus | Synonyms: cob, filbert, hazelnut |
| (noun) small nut-bearing tree much grown in Europe | Synonyms: Corylus avellana, Corylus avellana grandis, filbert | |
| thumbnut | (noun) a threaded nut with winglike projections for thumb and forefinger leverage in turning | Synonyms: butterfly nut, wing-nut, wing nut, wing screw |