dwale
Webster's Dictionary (GCIDE)
Dwale \Dwale\, n. [OE. dwale, dwole, deception, deadly nightshade, AS. dwala, dwola, error, doubt; akin to E. dull. See Dull, a.]
1.(Bot.) The deadly nightshade (Atropa Belladonna), having stupefying qualities. [1913 Webster]
2.(Her.) The tincture sable or black when blazoned according to the fantastic system in which plants are substituted for the tinctures. [1913 Webster]
3.A sleeping potion; an opiate. --Chaucer. [1913 Webster]