The Collaborative International Dictionary
Consound
Consound \Con"sound\ (-sound), n. [Corrupted fr. F. consoude, fr L. consolida comfrey (so called because supposed to have healing power); con- + solidus solid, consolidare to make solid. Cf. Comfrey, Consolidate.] (Bot.) A name applied loosely to several plants of different genera, esp. the comfrey.
Wiktionary
consound
n. (context botany obsolete English) Any of several plants of different genus, especially the comfrey.