- (West Indies) The lees or dregs of cane juice, used in the distillation of rum.
- The use of dunder in the making of rum answers the purpose of yeast in the fermentation of flour. — B. Edwards.
Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.