ELECAMPANE n. 2 definitions
A large, coarse herb (Inula Helenium), with composite yellow flowers. The root, which has a pungent taste, is used as a tonic, and was formerly of much repute as a stomachic.
EXPANDING a.
That expands, or may be expanded; extending; spreading; enlarging. Expanding bit, Expanding drill (Mech.), a bit or drill made adjustable for holes of various sizes; one which can be expanded in diameter while boring. -- Expanding pulley (Mach.), a pulley so made, as in sections, that its diameter can be increased or…