'tilly' definitions:
Definition of 'tilly'
From: GCIDE
- Tilley \Til"ley\, n., or Tilley seed \Til"ley seed`\ (Bot.) The seeds of a small tree (Croton Pavana) common in the Malay Archipelago. These seeds furnish croton oil, like those of Croton Tiglium. [Written also tilly.] [1913 Webster]