From the genus name.
sigillaria (plural sigillarias)
- Any of the genus Sigillaria of fossil trees principally found in the coal formation, with seal-like leaf scars in vertical rows on the surface.
sigillaria pl (plural only)
- (historical, Ancient Rome) Little images or figures of earthenware sold or given as presents on the last two days of the saturnalia.
- (by extension) The last two days (i.e. the sixth and seventh) of the saturnalia.
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 The imported definitions may be significantly out of date, and any more recent senses may be completely missing.