Did you maybe mean signum?
“Thus the siglum D 1420 has to do with all cases where”
“The absence of a particular siglum after a form shall signal that form's absence from the source referred to by that siglum.”
These user-created lists contain the word ‘siglum’.
Scrawlings, notes, odd writings, and messages.
Words and concepts I learned on Wordie, or happened upon as I roamed through dictionaries and websites seeking ammunition.
Looking for tweets for siglum.