- belonging to the plant family Juglandaceae.
Compare walnut family.
Origin of juglandaceous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- of, relating to, or belonging to the Juglandaceae, a family of trees that includes walnut and hickory
C19: via New Latin from Latin juglans walnut, from ju-, shortened from Jovi- of Jupiter + glans acorn