culeusEtymologyFrom Latin culeus (“large leather sack, punishment of drowning within a sack, unit of bulk liquid measure”), from Ancient Greek κολεός (koleós, “sheath”), from Proto-Indo-European *ḱel- (“to cover”). Doublet of cullion and cojones.culeus means A Roman unit of liquid measure reckoned as the volume of 1600 Roman pounds of wine and equivalent to about 520 L although differing slightly over time. Lexicurio rates it Sui generis — a strength score of 100 out of 100.nounA Roman unit of liquid measure reckoned as the volume of 1600 Roman pounds of wine and equivalent to about 520 L although differing slightly over time.A Roman punishment—chiefly for parricide—involving blindfolding, beating, confinement to a leather sack, and drowning in a river or sea.