A "perpendicular position" means that something is at a 90-degree angle or right angle to another object or surface. It is like a straight line meeting another straight line at a perfect angle.
Sentences with «perpendicular position»
This pose is carried out with legs straight up the wall while rest of the body remains in perpendicular position on the ground. (rishikulyogshala.org)
The soft - top stows away in a space - saving perpendicular position. (indianautosblog.com)
Anyone who has slept with a little one knows that stretched out or perpendicular positions and lots of midnight kicking are common — the more space everyone has, the better night's sleep you'll get. (babble.com)