category
n. countablen. a group of people or things that are similar in some way. You use this to organize information into sets that share the same features.
n. a class or division of people or things regarded as having particular shared characteristics. In mathematics, it refers to a collection of objects and the arrows between them that satisfy specific algebraic properties.
The books are organized into a different category for each genre.
Researchers placed the survey participants into a specific category based on their age and income level.
The library's classification system ensures that every volume fits into a distinct category, though some experimental novels challenge these traditional boundaries by blending multiple genres into a single narrative.
Late Middle English, borrowed from French catégorie, from Middle French categorie, from Late Latin catēgoria (“class of predicables”), from Ancient Greek κατηγορία (katēgoría, “head of predicables”). Doublet of categoria.
Often used with the preposition 'of' to specify the group being discussed.