名詞 vellum:

1. a heavy creamy-colored paper resembling parchment
2. fine parchment prepared from the skin of a young animal e.g. a calf or lamb

vel.lum

n.Abbr. vel.（名詞）縮寫 vel.

A fine parchment made from calfskin, lambskin, or kidskin and used for the pages and binding of books.
精制犢皮紙；精制羊皮紙：用小牛皮、小綿羊皮或小山羊皮制成的精致紙張，用于書頁或封皮
A work written or printed on this parchment.
羊皮紙書，羊皮書：書寫或印刷在精制犢皮或羊皮紙上的作品
A heavy off-white fine-quality paper resembling this parchment.
仿犢皮紙；仿羊皮紙：類似精制犢皮或羊皮紙的一種粗糙的、黃白色的優(yōu)質(zhì)紙張

來源：
Middle English velim
中古英語 velim
from Old French velin
源自 古法語 velin
from veel [calf] * see veal
源自 veel [小牛] *參見 veal