DICT.TW Dictionary Taiwan
Pi·le·us n.; pl. Pilei
1. Rom. Antiq. A kind of skull cap of felt.
2. Bot. The expanded upper portion of many of the fungi. See Mushroom.
3. Zool. The top of the head of a bird, from the bill to the nape.
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pileus
n : a fruiting structure resembling an umbrella that forms the
top of a stalked fleshy fungus such as a mushroom [syn: cap]
[also: pilei (pl)]