prep :  by the means or agency of  :  by way of  :  through <enter through the mouth lining and the bloodstream to the stomach -Sydney (Australia) Bull.>  <blood rectum>  - see PER OS 
, abbr 1  period; periodic  2  person .
 
 
 
Published under license with Merriam-Webster, Incorporated.  © 1997-2004.