V / vēlūmen
noun hapax

vēlūmen

gen. vēlūmĭnis · gender neuter · decl. 3rd
a fleece; N. cr
a fleece: lanam demptam ac conglobatam alii vellera, alii velumina appellant, Varr. R. R. 2, 11, 9 Schneid. N. cr.