from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A skullcap worn by certain Roman Catholic clerics, varying in color according to rank.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. small skullcap worn by Roman Catholic clergy
Italian, variant of zucchetta, diminutive of zucca, gourd, head; see zucchini.(American Heritage® Dictionary of the English Language, Fourth Edition)
Italian zucchetto, ultimately variant diminutive of zucca ("gourd, squash"), as in zucchini. (Wiktionary)