pileus
演变路径（由近及远）
- 英语
- 借自 ←拉丁语 pīleus
词源说明
Borrowed from Latin pīleus, a form of pilleus (“a felt cap”).
释义（英文）
名词 Noun
- (mycology) The cap of a mushroom.
- The bell of a jellyfish.
- (meteorology) A small thin cloud attached to a cumulus cloud.
- (historical, Ancient Rome) A conical felt hat worn in Ancient Rome and Greece.
- The top of the head of a bird, from the bill to the nape.