ˈbil- — see berry noun
Etymology: bil- (probably of Scandinavian origin; akin to Danish bølle whortleberry) + berry; akin to Old Norse beyla hump — more at bile
1. : any of certain plants of the genus Vaccinium that differ from the typical blueberries in having their flowers solitary or in very small clusters and arising from axillary buds:
a. : whortleberry 1
b. : any of several chiefly alpine or boreal No. American plants (as V. membranaceum, V. caespitosum, or V. uliginosum )
2. : the sweet edible blue or bluish black fruit of a bilberry
3.
a. : a bearberry ( Arctostaphylos uva-ursi )
b. : a withe rod ( Viburnum nudum )