n. 伞状帽, 菌盖

[医] 冠, 帽

[ noun ]
a fruiting structure resembling an umbrella or a cone that forms the top of a stalked fleshy fungus such as a mushroom
<noun.plant>

Pileus \Pi"le*us\, n.; pl. {Pilei}. [L., a felt cap.]
1. (Rom. Antiq.) A kind of skull cap of felt.

2. (Bot.) The expanded upper portion of many of the fungi.
See {Mushroom}.

3. (Zo["o]l.) The top of the head of a bird, from the bill to
the nape.