dictum DIK-tuhm, noun:
1. An authoritative statement; a formal pronouncement.
2. (Law) A judicial opinion expressed by judges on points that do not necessarily arise in the case, and are not involved in it.
Dictum is literally “a thing said,” from the past participle of Latin dicere, “to say.”
sine die SY-nee DY-ee, SIN-ay DEE-ay adverb:
Without designating a future day for action or meeting; indefinitely.
From Latin sine (without) die (day).