adverb/se.ɑ̃s tə.nɑ̃t/
while the session is open, while we are in session, before the session closes, while the process is still ongoing, while we are here; from the bench; without adjourning to deliberate; then and there, on the spot, right away, forthwith
Synonyms: toute affaire cessante, incessamment, sur-le-champ, tout de suite, de ce pas
Literally, “[while] holding [the] session”.