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.
1 Your horse has heat in his hoof.  Check the strength of your horse's digital pulse. Use the thumb and middle fingers of your right hind. Feel behind, and on either side, of your horse's lower fetlock (above the sesamoid area) with your palm on the front and fingers rapped toward the back until you feel a faint pulse.