walnut family wal·nut·fa·mily uncommon noun 1. trees having usually edible nuts: butternuts; walnuts; hickories; pecans SynonymsJuglandaceaefamily Juglandaceaewalnut family Related words Broader terms dicot family Parts Juglandales Part of JuglansCaryaPterocarya WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
