Middle English tymber, from Old English timber, from Proto-Germanic *timrą, from Proto-Indo-European *demh₂- (“build, house”) (see Proto-Indo-European *dṓm). Cognates include Old High German zimbar (German Zimmer), Old Norse timbr, Gothic 𐍄𐌹𐌼𐍂𐌾𐌰𐌽 (timrjan, “to build”), and Latin domus.
Audio (US) (noun) (file)
- Hyphenation: tim‧ber
- Homophones: timbre (for one US pronunciation of that word)
- (uncountable) Trees in a forest regarded as a source of wood.
- (UK, uncountable) Wood that has been pre-cut and is ready for use in construction.
- (countable) A heavy wooden beam, generally a whole log that has been squared off and used to provide heavy support for something such as a roof. Historically also used in the plural, as in "ship's timbers".
- (trees considered as a source of wood): timberland, forest
- (wood that has been cut ready for construction): lumber (US), wood
- (beam used to support a roof): beam, rafter
Derived terms 
- Used by loggers to warn others that a tree being felled is falling.
- (transitive) To fit with timbers.
- timbering a roof
- (falconry, intransitive) To light or land on a tree.
- (obsolete) To make a nest.
- To surmount as a timber does.
Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
Old English 
From Proto-Germanic *timrą, from Proto-Indo-European *demh₂- (“build, house”) (see Proto-Indo-European *dṓm). Cognates include Old Saxon timbar, Old High German zimbar (German Zimmer), Old Norse timbr, Gothic 𐍄𐌹𐌼𐍂𐌾𐌰𐌽 (timrjan, “to build”), and Latin domus.