The Collaborative International Dictionary
Aurantiaceous \Au*ran`ti*a"ceous\, a. Pertaining to, or resembling, the Aurantiace[ae], an order of plants (formerly considered natural), of which the orange is the type.
a. 1 Of or relating to oranges or orange trees. 2 (context archaic English) Relating to the former family ''(taxlink Aurantiaceae family)''.