a. Trees or wooded land considered as a source of wood.
b. Wood used as a building material; lumber.
a. A dressed piece of wood, especially a beam in a structure.
b. Nautical A rib in a ship's frame.
3. A person considered to have qualities suited for a particular activity: That trainee is executive timber.
tr.v. tim·bered, tim·ber·ing, tim·bers
To support or frame with timbers: timber a mine shaft.
Used by one cutting down a tree to warn those around that the tree is about to fall.
[Middle English, from Old English, building, trees for building; see dem- in the Appendix of Indo-European roots.]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.