The term 'horse laugh' is a phrase used to describe a loud, braying laugh. It is usually associated with mocking or derision. The two crossword solutions for this term are 'SNORT' and 'NEIGH'. A SNORT is a sound made by a horse when it exhales sharply through its nostrils. A NEIGH is the sound made by a horse when it vocalizes, usually in response to another horse. Both of these sounds are associated with horses and can be seen as a type of 'horse laugh'.