pallium

A large cloak worn by Greek philosophers and teachers.

A woolen liturgical vestment resembling a collar and worn over the chasuble in the Western Christian liturgical tradition, conferred on archbishops by the Pope, equivalent to the Eastern Christian omophorion.

The mantle of a mollusc.

The cerebral cortex.

A presumed gelatinous envelope of diatoms.

A sheet of cloud covering the whole sky, especially nimbostratus.