tridi, n.m., tridi, third day of the decade in the calendar of the first French republic.
triduo, n.m., (—s) (c.rel.) religious exercises which last three days.
trièdre, adj., (geom.) trihedral.
triennal, -e (-è-n-nal), adj., triennial.
triennalité (-è-n-na-), n.f., term of three years; triennial duration.
triennat (-è-n-na), n.m., space of three years; trienniate, triennial period.
trier, v.a., to pick, to pick out, to cull, to sort, to choose, to select. Des hommes triés; picked men.
se trier, v.r., to be sorted.
triérarchie, n.f., (antiq.) trierarchy.
triérarque, n.m., (antiq.) trierarch.