ˌsijəˈla(a)rēə noun
Usage: capitalized
Etymology: New Latin, from Latin sigillum seal + New Latin -aria; from the leaf scars that resemble seals
: a genus (the type of the family Sigillariaceae) of fossil arborescent club mosses of the Middle Carboniferous
• sig·il·lar·id | ̷ ̷ ̷ ̷| ̷ ̷rə̇d noun or adjective