Piles

(/Mr). Pileum (pil'-e-um). In biology, the cap or whole to from bill to nape, including. p of the head of a bird.:he forehead, veil. occiput. ''ileum, a cap: pi also; ich manj ame umbrella or disc, h is also applied to the cap-like or umbrella-like summit of the stipe of many fungi. The hymenium-bearing portion is the same as cap. P. hippocraticus, the capeline bandage. Pile wort (pil'-wert). See Ficary .