- belonging to the Theaceae, the tea family of plants.
Compare tea family.
Origin of theaceous
< New Latin the(a) tea + -aceous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- of, relating to, or belonging to the Theaceae, a family of evergreen trees and shrubs of tropical and warm regions: includes the tea plant