noun

1. The transpose of the cofactor matrix of a given square matrix.

2. (of a matrix) Transpose conjugate.

3. (of an operator) Hermitian conjugate.

4. A functor related to another functor by an adjunction.

5. A curve A such that any point of a given curve C of multiplicity r has multiplicity at least r–1 on A. Sometimes the multiple points of C are required to be ordinary, and if this condition is not satisfied the term sub-adjoint is used.

6. An assistant to someone who holds a position in the military or civil service.

7. An assistant mayor of a French commune.