What is a portion severed or cut off; a division; as, a cut of beef; a cut of timber. It should be understood, moreover, . . . that the group are not arbitrary cuts, but natural groups or types. Dana called?

cut — A portion severed or cut off; a division; as, a cut of beef; a cut of timber. It should be understood, moreover, . . . that the group are not arbitrary cuts, but natural groups or types. Dana. (Webster's 1913.)