The Dead, Central Timber of a Tree Trunk
This page is the CodyCross answer for the clue below from African grasslands, Group 1555, Puzzle 5 (Great Migration).
Question is: The Dead, Central Timber of a Tree Trunk
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.