espalier[
ɛs'pæljɚ]
n. 墙树, 树篱
espalier[ noun ]a trellis on which ornamental shrub or fruit tree is trained to grow flat<noun.artifact> 
Espalier \Es*pal"ier\, n. [F. espalier, fr. It. spalliera, fr.
spalla shoulder, the same word as F. ['e]paule. See
{Epaulet}.] (Hort.)
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 \Es*pal"ier\, v. t. [imp. & p. p. {Espaliered}; p. pr.
& vb. n. {Espaliering}.]
To form an espalier of, or to protect by an espalier.