The main collective noun for Hedgehogs is a prickle. Other collective nouns for a group of Hedgehogs include an array and a nest. The term ‘prickle’ is derived from the spines of the Hedgehog, which are also known as ‘prickles’. The term ‘prickle’ is thought to have originated from the Old English word ‘pricel’, which means ‘pointed stake’. This is an apt description of the spines of the Hedgehog, which are sharp and pointed.