pileus
Fungal fruiting top
A pileus is the cap of a mushroom—the umbrella-shaped top that sits atop the stem.
The term appears in mycology and botanical contexts: The pileus of this species is convex when young, flattening with age.
In ancient Rome, a pileus was a brimless felt cap, notably given to freed slaves as a symbol of liberty.
Covering for top
- fungiSpore-reproducing decomposers
- sporeAsexual reproductive cell
- gillsAquatic respiratory organs
- myceliumFungal filament network
agaric · stipe · amanita · hyphae · toadstool · bolete · chanterelle · porcini
Released former slave
- manumissionFormal freeing of enslaved
- liberty capConical hat denoting manumission
- slaveOwned human, forced laborer
- emancipationRelease from legal bondage
Roman · citizen · Saturnalia · ceremony · forum · republic · civic · conical
Dense, billowing cloud type
- anvilMetal-shaping block
- thunderheadTall storm-producing cloud
- cumulonimbusTowering storm-producing cloud
- domeRounded vault forming roof
atmospheric · storm · updraft · convection · towering · billowing · ice cap · flat top
cap
Covering for top
mycelium · agaric · stipe · amanita · hyphae · toadstool · bolete · chanterelle · porcini · shiitake
freedman
Released former slave
- manumissionFormal freeing of enslaved
- liberty capConical hat denoting manumission
- slaveOwned human, forced laborer
emancipation · Roman · citizen · Saturnalia · ceremony · forum · republic · civic · conical · soft
cumulus
Dense, billowing cloud type
- anvilMetal-shaping block
- thunderheadTall storm-producing cloud
- cumulonimbusTowering storm-producing cloud
dome · atmospheric · storm · updraft · convection · towering · billowing · ice cap · flat top · overshooting
bell
Hollow resonating instrument
cnidarian · gelatinous · pulsing · swimming · translucent · tentacles · margin