To dream of a horse eating oats mean that any project that you have started should be finished. Other Explanations for OatsContinue ExploringOats To dream that oats hold the vision, portends a variety of good things.The farmer will especially advance in fortune and…Oats Relates to vigorous new beginnings; see “food”Oats (Horse Eating) 1. Security. 2. Horse refusing to take oats indicates rejection of care.