- valerian(def 1).
- any of several plants once believed to have extensive curative powers, as the selfheal, Prunella vulgaris.
Origin of allheal
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- any of several plants reputed to have healing powers, such as selfheal and valerian
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012