Definition of 'mental defective'. Word Frequency. mental defective (ËmÉntÉl dÉªËfÉktÉªv) noun. old-fashioned. a person who suffers from a learning disability or from some form of mental illness. 'You must not say anything,' I enunciated slowly, as if speaking to a mental defective.
How to Measure. To measure your horse, have him stand square on a level surface. Hold the tape or stick so it is perpendicular to the ground and beside the horse so it is even with the top point of the horseâs withers. If you are using a proper measuring stick, lower the bar so it meets the top of the horseâs withers.
A horse is measured from the ground (front hoof) in a straigh â¦ t line up to the highest point of the withers (above the shoulder, where the back and neck meet, roughly where the mane ends). The average Quarter Horse is about 15 hands, times 4 = 60 inches, so about five feet tall from hoof to withers.Hanovarians can be as tall as 17 or 19 hands.he average Quarter Horse is about 15 hands, times 4 = 60 inches, so about five feet tall from hoof to withers. Hanovarians can be as tall as 17 or 19 hands.