pileus
/ˈpɪliəs/ noun
Forms pilei
- noun (mycology) The cap of a mushroom.
- noun The bell of a jellyfish.
- noun (meteorology) A small thin cloud attached to a cumulus cloud.
- noun (historical, Ancient Rome) A conical felt hat worn in Ancient Rome and Greece.
- noun The top of the head of a bird, from the bill to the nape.
Synonyms
Etymology
Borrowed from Latin pīleus, a form of pilleus (“a felt cap”).
Webster’s 1913
- noun A kind of skull cap of felt.
- noun The expanded upper portion of many of the fungi. See Mushroom.
Etymology [L., a felt cap.]
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “pileus”, CC BY-SA 4.0. Details