bitter orange

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. any of various common orange trees yielding sour or bitter fruit;
used as grafting stock
• Syn:
sour orange, Seville orange, bitter orange tree, bigarade, marmalade orange, Citrus aurantium
• Hypernyms:
orange, orange tree
• Member Holonyms:
genus Citrus
• Part Meronyms:
Seville orange, sour orange
2. highly acidic orange used especially in marmalade
• Syn:
Seville orange, sour orange
• Hypernyms:
orange
• Part Holonyms:
sour orange, Seville orange, bitter orange tree, bigarade, marmalade orange, Citrus aurantium