/ram"pee euhn/ , n.
1. a European bellflower, Campanula rapunculus, having an edible white tuberous root used in Europe for salad.
2. any related plant of the genus Phyteuma, having heads or spikes of blue flowers.
[ 1565-75; prob. alter. of MF raiponce raponzo, deriv. of rapa turnip ( rapa; see RAPE 2 ) ]