Tree with flexible wood (3)
I believe the answer is:
yew
'tree with flexible wood' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for yew that I've seen before include "Evergreen tree with dark leaves and red berries" , "Evergreen tree with narrow dark-green leaves and red berries" , "Longbow wood" , "Common churchyard feature" , "Evergreen tree with dark needles and red berries" .)