Webster's Revised Unabridged Dictionary · 1913

Harebell

Harebell (hâr"bel`) , noun

(Botany) A small, slender, branching plant (Campanula rotundifolia), having blue bell-shaped flowers; also, Scilla nutans, which has similar flowers; -- called also bluebell.
E'en the light harebell raised its head. — Sir W. Scott