pileus

pileus — noun

1. a snug, cone-shaped felt hat worn in ancient Rome, often placed on the head of a

1.名詞C2
釋義

a snug, cone-shaped felt hat worn in ancient Rome, often placed on the head of a freed slave as a public sign of liberty

例句

A bronze pileus from the second century sat in the Naples Museum display.

Theo tried on a replica pileus during his Latin class trip to Rome.

同義詞
  • liberty cap

    emphasises the symbolic meaning rather than the physical object

用法筆記

Historical term found mainly in archaeology and classical-studies writing. Often appears alongside the Latin phrase 'pileus libertatis' (cap of liberty).

常見錯誤

❌The messenger wore a pileus to shade his face from the sun.
✅The messenger wore a petasus to shade his face from the sun.
💡The pileus was a close-fitting skullcap; the petasus was a broad-brimmed hat used for sun protection.

2. the umbrella-like top part of a mushroom or similar fungus that holds and releas

2.名詞C2
釋義

the umbrella-like top part of a mushroom or similar fungus that holds and releases the spores

例句

Daichi examined the slimy brown pileus of a mushroom growing near the fallen log.

Amani photographed the bright red pileus dotted with white flecks in the forest.

同義詞
  • cap

    the everyday word used by non-specialists; pileus is the scientific term

  • mushroom cap

    common spoken equivalent, but pileus applies to all fungi, not only mushrooms

用法筆記

Technical term in mycology. In everyday English, speakers use 'cap' or 'mushroom cap' instead.

常見錯誤

❌The pileus of the flower was bright yellow.
✅The cap of the mushroom was bright yellow.
💡A pileus is the cap of a fungus only, never a flower or any other plant part.