Dictionary Definition

rustication

1 the condition naturally attaching to life in the country

2 the construction of masonry or brickwork in a rustic manner

3 the action of retiring to and living in the country

4 temporary dismissal of a student from a university

5 banishment into the country

User Contributed Dictionary

the act of rusticating (trans. v. sense)
the act of being rusticated (intrans. v. sense)
(UK military) the process of posting a person or relocating a unit from London (or a command HQ) to elsewhere in the country.

Things commonly known as rustication include:

Rustication is a process in Smoking pipe creation / refinishing where the surface of the pipe is given a texture or design by removing some of the material, often used to give a pipe the appearance of wood grain or to cover up some surface flaw
Rustication (architecture) — a texture produced in ashlar masonry with deep cut 'V' or square joints to contrast with smooth masonry
Rustication (academia) — temporary expulsion from a university. Literally, to be sent to the countryside
Rustication (UK military) — the process of posting a person or relocating a unit from London (or a command HQ) to elsewhere in the country