Valentine's position

[vălən-tīnz′]
n.
  1. A supine position on a table with double inclined plane so as to cause flexion at the hips, used to facilitate urethral irrigation.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.