Iles-piles

A Concise Dictionary of Middle English from A.D. 1150 to 1580 · 1889 · p. 12

sb. pl. hedgehogs, S; ilspiles , S ( n ). Properly ‘the quills of the hedgehog’; AS. íl , igel , hedgehog (OET) + píl , a dart (Grein); Lat. pilum .