amarelle

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A type of sour cherry having pale red fruit and colorless or nearly colorless juice.

from the GNU version of the Collaborative International Dictionary of English.

• noun any of several varieties of cultivated sour cherry trees of the species Prunus cerasus bearing fruit with colorless juice, e.g. Prunus cerasus caproniana.
• noun a pale red sour cherry with colorless or nearly colorless juice.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun any of several cultivated sour cherry trees bearing pale red fruit with colorless juice
• noun pale red sour cherry with colorless or nearly colorless juice