tui Save Frieze-Dennison Vergil tuī, ōrum, m.: your friends, kinsmen, countrymen, descendants, etc., 3.488; freq. (tuus) Found TUI with different capitalization. TUI pronoun feminine genitive singular, pronoun masculine genitive singular of tu TUI masculine nominative plural, masculine vocative plural, masculine genitive singular, neuter genitive singular of tuus See TUI in Morpho Gaffiot 2016 tŭī, (9) gén. de tu.