The Collaborative International Dictionary of English v.0.48:
Throatwort \Throat"wort`\, n. (Bot.) A plant (Campanula Trachelium) formerly considered a remedy for sore throats because of its throat-shaped corolla. [1913 Webster]WordNet (r) 3.0 (2006):
Campanula trachelium n 1: European bellflower with blue-purple to lilac flowers formerly used to treat sore throat [syn: throatwort, nettle-leaved bellflower, Campanula trachelium]