from The Century Dictionary and Cyclopedia
- n. In zoology and botany, a little pileus; some small caplike or lid-like body; specifically, the receptacle of certain fungi.
- n. [capitalized] A genus of gastropods of the family Neritidæ, belonging to the Oölite, having no spire, the shell resembling that of a limpet.
Sorry, no etymologies found.
"The zucchetto, or pileolus, is removed at the end of the last secret prayer, and resumed after the ablutions."
The pileolus (skull cap) and biretta are not, strictly speaking, part of choir dress.
During the celebration of Mass a simple priest may not wear any head-covering -- whether biretta, pileolus, or full wig (comae fictitiae) -- but the bishop may allow him to wear a plain perruque as a protection for his hairless scalp.
Vinicius was silent and uncovered his head, for it seemed to him that the pileolus which he wore was of lead.
If you wore a pileolus, zucchetto, you know, at what part of the Mass would you remove it? "