Dunder
Pronunciation : Dun"der
Part of Speech : n.
Etymology : [Cf. Sp. redundar to overflow.]
Definition : Defn: The lees or dregs of cane juice, used in the distillation of rum. [West Indies] The use of dunder in the making of rum answers the purpose of yeast in the fermentation of flour. B. Edwards.
Source : Webster's Unabridged Dictionary, 1913