What does streetlight mean?
A streetlight is a lamp or lighting fixture positioned beside a street, road, or public walkway to illuminate it after dark. It commonly refers to a complete outdoor fixture consisting of a light, a protective cover, and a support such as a pole. The word is especially frequent in North American English, while “street lamp” is more usual in many British contexts. Streetlights may be powered by electricity and can use various technologies, including older lamps and newer LED fixtures. In literature and everyday description, a streetlight can also serve as a familiar visual landmark: its glow may create a pool of light, reveal a figure, or contrast with the surrounding darkness. The compound is straightforward in meaning, combining “street” with “light,” but the term can refer either to the physical fixture or, figuratively, to the light it casts.
nounA lamp or light fixture mounted on a pole or other structure beside a street or road, used to illuminate the area at night.
- A light fixture that illuminates a street, road, or public walkway at night.
"A flickering streetlight cast long shadows across the pavement."
"The streetlight outside the bakery illuminated the shop sign."
"They walked home beneath a row of glowing streetlights."
The regular plural refers to multiple lighting fixtures.
"New streetlights were installed throughout the neighborhood."
A streetlight is often casually called a lamppost, but the post is only the support: the actual light may be mounted on a wall, wire, or other structure.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does streetlight come from?
The word is a compound of “street” and “light.” “Street” ultimately comes through Old English from Latin strata, originally referring to a paved road or way, while “light” descends from Old English lēoht, referring to illumination or a source of illumination. The compound has become especially established in modern North American English.
How streetlight is actually used
“Streetlight” is especially common in North American English. In British English, “street lamp” is usually the more usual expression.
Easily confused with streetlight
A streetlight is the complete lighting fixture or its light, whereas a street lamp may refer more specifically to the lamp itself or informally to the whole fixture.