/fet"euhr boosh'/ , n.
1. an evergreen shrub, Lyonia lucida, of the heath family, native to the southern U.S., having clusters of fragrant, white flowers.
2. a similar shrub, Pieris floribunda, having long upright clusters of small white flowers.
3. any of several heathlike shrubs of the southern U.S.
[ 1855-60, Amer.; FETTER + BUSH 1 ; so called because it impedes walkers ]