Wiktionary (0.00 / 0 votes) Rate this definition:-ance (Suffix) Added to the stem of a verb to form a noun indicating a state or condition, such as result or capacity, associated with the verb.-ance (Suffix) A process or action. Origin: Via -ance, from -antia, -entia.
The actual daily amount of water that most horses need to consume (at a minimum) to maintain body functions and remain properly hydrated is from a half gallon to a gallon per 100 pounds of body weight.
The feed consumed can determine the amount of water required: 1  Fresh pasture has between 60-80% moisture and can provide a large amount of the horse's water requirements when grazing.  Hay and grain are very low in moisture, causing horses to drink more water.