Apulian red figure depicting a conical pileus hat, third quarter of the 4th century BC, Louvre The pileus (Ancient Greek: πῖλος, pîlos; also pilleus or pilleum in Latin) was a brimless felt cap worn in Ancient Greece, Etruria, Illyria (especially Pannonia), [1][2][3][4] …

Many historians trace it to the pileus, a cap worn by the formerly enslaved in ancient Rome to indicate that they had been freed.

A pileus (/ ˈpaɪliəs /; Latin for 'cap'), also called scarf cloud or cap cloud, is a small, horizontal, lenticular cloud appearing above a cumulus or cumulonimbus cloud.

Pileus may refer to: Pileus (hat), a brimless cap Pileus (mycology), the "cap" of a mushroom Pileus (meteorology), a cloud formation the crown of a bird's head the scales on the top of lizard and snake heads

Pileus, close-fitting, brimless hat worn by the ancient Romans and copied from the Greek sailor’s hat called the pilos. In Roman times the head was generally left uncovered, but commoners and freed slaves sometimes wore the felt pileus.

2024年12月20日 · Pileus clouds are lens-shaped clouds that form above the tops of larger cumulus or cumulonimbus clouds. Pileus clouds have attributes including their appearance, formation process, duration, and associated weather conditions.

Pileus is a fleeting and beautiful ‘accessory cloud’, which means it is only found attached to other cloud forms. It shares much in common with lenticularis and cap clouds, which form when a stable airstream rises to pass over raised ground.

The pileus (Ancient Greek: πῖλος, pîlos; also pilleus or pilleum in Latin) was a brimless felt cap worn in Ancient Greece, Etruria, Illyria (especially Pannonia), [1][2][3][4] later also introduced in Ancient Rome. [5] The pileus also appears on Apulian red-figure pottery.

Sometimes several pileus clouds are observed above each other. Pileus is formed as a moist layer locally lifted due to rising cloud below. See cloud classification.

A Pileus, Pilleus or Pilleum in Latin, is a brimless, felt cap worn in Ancient Greece, Etruria, Illyria, Pannonia and surrounding regions, later also in Ancient Rome.