hazelnut - any of several nuts that are produced by the hazel and that have a husk little or no longer than the nut., Hazels are also called filberts, although the latter is more strictly a name for European kinds (C. maxima, C. avellena, and their varieties, e.g., the cobnut) that are cultivated, chiefly in Europe, for the filbert of commerce., filbert - fruit of the hazelnut or cobnut bush; filberts are the cultivated variety and the more robust of the two. Filberts are named after St Philbert, a French abbot whose feast day in August coincides with their ripening time., sarapuu (Corylus) - heitlehiste lehtpõõsaste ja -puude perekond kaseliste sugukonnast. ... vili on kõva kestaga rasvarohke (60-70 %) pähkel, mida ümbritseb rohtjas lüdi... Kasvatatakse ka aretatud sorte.