A numbering of the people, and valuation of their estate, for the purpose of imposing taxes, etc.; -- usually made once in five years.
- An official, usually periodic enumeration of a population, often including the collection of related demographic information.
- In ancient Rome, a count of the citizens and an evaluation of their property for taxation purposes.
- To include in a census; conduct a census of: "Every plant one centimeter in diameter or larger is censused every five years” ( John P. Wiley, Jr.)