ESPALIER is validvalid

to furnish with a trellis [v ESPALIERED, ESPALIERING, ESPALIERS]

66,414 of 196,601 in NWL2023·also valid in CSW24

(French) a lattice on which trees are trained across [n -S] / to train a tree to grow on a lattice [v -ED, -ING, -S]