In a Trunk, Part With the Hardest Timber
This page is the CodyCross answer for the clue below from Extraordinary Creatures, Group 1581, Puzzle 1 (Chupacabra).
Question is: In a Trunk, Part With the Hardest Timber
and the answer is: HEARTWOOD
Word Meaning:
HEARTWOOD — The wood nearer the heart of a stem or branch, different in color from the sapwood.
Definitions from Wiktionary.