Emily Dickinson Lexicon

ES-PAL'IER, n. [Fr. espalier; Sp. espalera; It. spalliera; from 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. Encyc.