aide-de-camp 
(ād′dĭ-kămp)
(ād′dĭ-kămp)n. pl. aides-de-camp
A military officer acting as secretary and confidential assistant to a superior officer of general or flag rank.
[French : aide, assistant + de, of + camp, camp.]
- precedent
- precedential
- preceding
- precentor
- precentorial
- precept
- preceptive
- preceptively
- preceptor
- preceptorial
- preceptorially
- preceptorship
- preceptory
- preceramic
- precess
- precession
- precessional
- precession of the equinoxes
- pre-Christian
- precinct
- preciosity
- precious
- preciously
- precious metal
- preciousness