Meanings
nounbulb-out (plural bulb-outs)
plural bulb-outs · alternative bulbout
- roadA traffic calming measure that widens the sidewalk for a short distance.
Synonyms: bump-out, curb bulge, curb bulb, curb extension, elephant ear
- roadA round area of pavement that protrudes from one side of a road to accommodate turning vehicles with a wide turning circle.
Synonyms: loon
Synonyms & antonyms
nounA traffic calming measure that widens the sidewalk for a short distance.
nounA round area of pavement that protrudes from one side of a road to accommodate turning vehicles with a wide turning circle.
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Cite this entry
APA
bulb-out. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/bulb-out
MLA
“bulb-out.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/bulb-out. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “bulb-out,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/bulb-out.
Source: bulb-out on Wiktionary, CC BY-SA 4.0.