Meanings
nounsun tunnel (plural sun tunnels)
plural sun tunnels
- A channel-shaped skylight with a reflective interior to allow sunlight to pass into a room that is not directly below the roof.
Synonyms: solar tube, sun pipe, tubular skylight
Synonyms & antonyms
nounA channel-shaped skylight with a reflective interior to allow sunlight to pass into a room that is not directly below the roof.
Cite this entry
APA
sun tunnel. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/sun%20tunnel
MLA
“sun tunnel.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/sun%20tunnel. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “sun tunnel,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/sun%20tunnel.
Source: sun tunnel on Wiktionary, CC BY-SA 4.0.