/trel"is/ , n.
1. a frame or structure of latticework; lattice.
2. a framework of this kind used as a support for growing vines or plants.
3. a summerhouse, gazebo, arch, etc., made chiefly or completely of latticework.
4. Heraldry. a charge of bendlets overlying bendlets sinister, the whole being cloué at the crossings.
v.t.
5. to furnish with a trellis.
6. to enclose in a trellis.
7. to train or support on a trellis.
8. to form into or like a trellis.
[ 1350-1400; ME trelis trilicius (for L trilix ) woven with three threads, equiv. to L tri- TRI- + lici ( um ) thread + -us adj. suffix ]