'Jeffersonia' definitions:
Definition of 'Jeffersonia'
From: GCIDE
- Jeffersonia \Jef`fer*so"ni*a\, n. [NL. Named after Thomas Jefferson.] (Bot.) An American herb with a pretty, white, solitary blossom, and deeply two-cleft leaves (Jeffersonia diphylla); twinleaf. [1913 Webster]