Array/əˈreɪ/ Definition 1 of 6Pro Tip 1/3Collection Context Used to emphasize a variety with a common theme. Her kitchen boasted an array of spices. Pro Tip 2/3More Than Items 'Array' can refer to a broad range of non-physical concepts too. The conference covered an array of topics. Pro Tip 3/3Organizational Hint Usually implies some level of order, not just a random cluster. She set an array of candles in a circle.