Marbling
From BiblePortal Wikipedia
Marbling [1]
(1): ( n.) The art or practice of variegating in color, in imitation of marble.
(2): ( n.) An intermixture of fat and lean in meat, giving it a marbled appearance.
(3): ( p. pr. & vb. n.) of Marble
(4): ( n.) Distinct markings resembling the variegations of marble, as on birds and insects.