pollard

[pol-erd] /ˈpɒl ərd/
noun
1.
a tree cut back nearly to the trunk, so as to produce a dense mass of branches.
2.
an animal, as a stag, ox, or sheep, having no horns.
verb (used with object)
3.
to convert into a pollard.
Origin
1515-25; poll1 + -ard
Related forms
unpollarded, adjective
British Dictionary definitions for pollard

pollard

/ˈpɒləd/
noun
1.
an animal, such as a sheep or deer, that has either shed its horns or antlers or has had them removed
2.
a tree that has had its top cut off to encourage the formation of a crown of branches
verb
3.
(transitive) to convert into a pollard; poll
Word Origin
C16: hornless animal; see poll
Word Origin and History for pollard
n.

1540s, "de-horned animal," from poll (v.2) + -ard. In reference to polled trees, from 1610s.