Webster's Revised Unabridged Dictionary · 1913

Espalier

Espalier , noun

[French espalier, from Italian spalliera, from spalla shoulder, the same word as French épaule. See Epaulet.]

(Horticulture) A railing or trellis upon which fruit trees or shrubs are trained, as upon a wall; a tree or row of trees so trained.
And figs from standard and espalier join. — Pope

Espalier , transitive verb

To form an espalier of, or to protect by an espalier.