Definition of "unshorn"

Get up, get up for shame, the blooming morne / Upon her wings presents the god unshorne. / See how Aurora throwes her faire / Fresh-quilted colours through the aire; / Get up, sweet slug-a-bed, and see / The dew bespangling herbe and tree.

1648, Robert Herrick, “Corinna’s Going a Maying”, in Hesperides, or The VVorks both Humane & Divine, London: Printed for John Williams, and Francis Eglesfield, […]; republished in The Poetical Works of Robert Herrick, London: William Pickering, […], 1825, pages 91–92