We found 2 definitions of sour orange from 1 different sources.
Noun |
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sour orange - any of various common orange trees yielding sour or bitter fruit; used as grafting stock | ||
Seville orange, bitter orange, bitter orange tree, bigarade, marmalade orange, Citrus aurantium | ||
orange tree, orange orange color or pigment; any of a range of colors between red and yellow | ||
genus citrus orange; lemon; lime; etc. | ||
sour orange - highly acidic orange used especially in marmalade | ||
bitter orange, Seville orange | ||
orange orange color or pigment; any of a range of colors between red and yellow |