espalier

ESPAL'IER, n. [L. palus, a stake or pole.] A row of trees planted about a garden or in hedges, so as to inclose quarters or separate parts, and trained up to a lattice of wood-work, or fastened to stakes, forming a close hedge or shelter to protect plants against injuries from wind or weather.

ESPAL'IER, v.t. To form an espalier, or to protect by an espalier.