vel‧lum /ˈveləm/
noun [uncountable][
Date: 1400-1500;
Language: Old French;
Origin: veelin, from veel; ⇒ veal]
a material used for covering books or writing on, made from the skin of young cows, sheep, or goats:
medieval maps inscribed on vellum [TahlilGaran] Dictionary of Contemporary English ▲