Meanings
nounjack timber (plural jack timbers)
plural jack timbers
- architectureAny timber, such as a rafter, rib, or studding, which, being intercepted, is shorter than the others.
Cite this entry
APA
jack timber. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/jack%20timber
MLA
“jack timber.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/jack%20timber. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “jack timber,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/jack%20timber.
Source: jack timber on Wiktionary, CC BY-SA 4.0.