Definition of bilberry

• n. - The European whortleberry (Vaccinium myrtillus); also, its edible bluish black fruit.
• n. - Any similar plant or its fruit; esp., in America, the species Vaccinium myrtilloides, V. caespitosum and V. uliginosum.
• n. - The European whortleberry (Vaccinium myrtillus); also, its edible bluish black fruit.
• n. - Any similar plant or its fruit; esp., in America, the species Vaccinium myrtilloides, V. caespitosum and V. uliginosum.