aralia (??re?l??) n1. (Plants) any plant of the genus Aralia of trees, shrubs, and herbaceous plants. The greenhouse and house plant generally known as aralia is Schefflera elegantissima of a related genus, grown for its decorative evergreen foliage: family Araliaceae2. (Botany) any plant of the genus Aralia of trees, shrubs, and herbaceous plants. The greenhouse and house plant generally known as aralia is Schefflera elegantissima of a related genus, grown for its decorative evergreen foliage: family Araliaceae[New Latin, of uncertain origin]Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014