sigillaria

• (Received Pronunciation) IPA^(key): /ˌsɪd͡ʒɪˈlɛəɹi.ə/
• (General American) IPA^(key): /ˌsɪd͡ʒəˈlɛɹi.ə/
• Rhymes: -ɛəɹi.ə

From the genus name.

sigillaria (plural sigillarias)

1. 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.

Latin , from sigillum (“a seal”).

sigillaria pl (plural only)

1. (historical, Ancient Rome) Little images or figure made of earthenware or wax sold or given as presents on the last two days of the saturnalia. They were often figures of deities or fruit. In singular, sigillarium
2. (by extension) The last two days (i.e. the sixth and seventh) of the saturnalia.

• “sigillaria”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.