DEF

noun

1. Deficiency in amount or quality; a falling short; lack.
2. A situation wherein, or amount whereby, spending exceeds government revenue.

noun

1. A statement of the meaning of a word or word group or a sign or symbol (dictionary definitions).
2. (usually with the definite article the) A clear instance conforming to the dictionary or textbook definition.
3. A statement expressing the essential nature of something; formulation