tréfonds or très-fonds (-fon), n.m., subsoil; (fig.) bottom. Savoir le fond et le — d’une affaire; to know the ins and outs of, to know all about, an affair.
*treillage, n.m., trellis-work; lattice-work (of gardens); fence.
*treillageur, n.m., lattice-maker, trellis-maker.
*treille, n.f., vine-arbor; shrimp-net. Le jus de la —; the juice of the grape.
*treillis, n.m., trellis, lattice; lattice-work; glazed calico; sackcloth.
*treillissé, -e, adj., trellised, latticed.
*treillisser, v.a., to trellis, to lattice.
treizaine, n.f., baker’s dozen.
treize, n.m. and adj., thirteen, thirteenth.
treizième, n.m.f. and adj., thirteenth.