espalier |iˈspalyər; -yā| noun
a fruit tree or ornamental shrub whose branches are trained to grow flat against a wall, supported on a lattice or a framework of stakes.
a lattice or framework of this type.
verb [ trans. ]
train (a tree or shrub) in such a way.
Ran across this one reading Margaret Atwood’s Oryx and Crake. I don’t think I’ve seen that word EVER in my life, until today.