crescent

Crescent is a term for a slender curved shape that resembles the illuminated portion of a natural satellite in its crescent phase. Geometrically, a crescent is typically formed by the overlap or difference of circular arcs, producing a thin, pointed arc that tapers toward the ends. The word comes from Old French crescent, from Latin crescere “to grow.”

The most common reference is the lunar crescent—the visible, curved edge of the Moon when only a sliver is illuminated. This phase marks the beginning of a new lunar month in many calendars. The crescent shape also appears in astronomy, design, and biology, where it describes crescent-shaped structures such as certain muscle fibers and cells.

Cultural symbolism: The crescent has been used in various cultures as a symbol of growth, renewal, and fertility. It is widely associated with Islam and appears on the flags and emblems of many Muslim-majority countries, though its use is historical and symbolic rather than doctrinal.

Geography and toponymy: There are places named Crescent in different countries; in the United States, Crescent, Oklahoma is an example of a town with this name. The term is also used in neighborhoods and historical place-name compounds, reflecting its broad appeal as a geographic label.

Other uses: The crescent motif appears in architecture, heraldry, and branding and is common in art and decorative design. Its simple, recognizable silhouette makes it a versatile symbol across cultures and disciplines.