What does stellate mean?
Stellate is a formal adjective meaning shaped like a star or arranged in a star-like, radiating pattern. Its uses are most common in biology, botany, zoology, anatomy, and related fields, where it describes structures such as hairs, cells, leaves, or groups of organs that spread outward from a central point. The word can also convey the broader idea of a star-like arrangement, even when the objects described are not literally stars. “Stellate” is more precise and technical than everyday alternatives such as “star-shaped,” but it is less commonly used than “stellar,” which can refer to stars, astronomy, or excellence. The term derives from the Latin stellatus, meaning starred or decorated with stars, and remains useful when a description needs to emphasize both form and organization.
adjectiveHaving the shape of a star; arranged in a radiating, star-like pattern. The word is used chiefly in biology and related descriptive contexts.
- Star-shaped, or resembling a star.
- Arranged in a radiating, star-like pattern.
"The specimen displayed delicate stellate hairs around its outer surface."
"Each flower has five blue petals forming a stellate pattern."
"The zoologist identified a stellate arrangement of cells in the organism."
Stellate comes from Latin stellatus, meaning “starred,” a fitting origin for a word that describes something shaped like a star.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does stellate come from?
Stellate comes from Latin stellatus, meaning “starred” or “star-shaped,” formed from stella, “star.” The same Latin root underlies English words such as stellar, constellation, and stelliform. English borrowed the adjective in a scientific and descriptive context, where it came to refer to structures resembling or arranged like stars.
Related word forms
How stellate is actually used
Stellate is a specialized, formal term used especially in botany, zoology, anatomy, and descriptive biology. It is less common in general conversation than the plainer expressions “star-shaped” and “star-like.”
Easily confused with stellate
Stellar describes something related to stars or belonging to a star, whereas stellate specifically describes a star-like shape or arrangement.