The Collaborative International Dictionary
Sigillum
Sigillum \Si*gil"lum\, n.; pl. Sigilla. [L.] (Rom. & Old Eng. Law) A seal.
Wiktionary
sigillum
n. (context legal historical English) A seal.
Usage examples of "sigillum".
Dee's The Sigillum Aemeth, and of course Babalon is mentioned in the Book of Revelations, and not in a good way.