bitter orange
Noun
Meaning
any of various common orange trees yielding sour or bitter fruit; used as grafting stock
highly acidic orange used especially in marmalade
Source: WordNetSynonyms
Hypernyms
Examples
Bitter orange has been used historically in Chinese medicine and by natives of the Amazon rainforest to treat nausea, indigestion and constipation.
Honey in Greece is mainly honey from the nectar of fruit trees and citrus trees: lemon, orange, bigarade (bitter orange) trees, thyme honey, and pine honey.
The extra bitterness is often obtained by using nutmeg and/or bitter orange peel in the drink recipe.