mustĕus, a, um, adj. [mustum], of or belonging to new wine or must, like must.
I Lit.: mala, quae antea mustea vocabant, nunc melimela appellant, must-apples , Cato R. R. 7, 3: mala, Plin. 15, 14, 15, § 51: fructus, Col. 9, 15, 13.—
II Transf., young, new, fresh (post-Aug.): musteus caseus, Plin. 11, 42, 97, § 240: piper, id. 12, 7, 14, § 29: liber, Plin. Ep. 8, 21, 6.