Neighing is a sound made by horses and other equine animals. The term neighing is used to describe the sound made when a horse exhales loudly through its nostrils. The term neighed is the past tense of neighing. The crossword solutions for the term neighed are nickerred (8 letters) and whinnied (8 letters). Nickerring is a soft, low-pitched vocalization made by horses, while whinnying is a loud, high-pitched vocalization. Both nickerring and whinnying are forms of neighing.