Mining. [CROSS- 4.] A vein or lode (usually barren) intersecting the regular vein or lode at an angle; also = CROSS-CUT sb. 2.
1802. Playfair, Illustr. Hutton. Th., 254. Intersected nearly at right angles by other mineral veins called Cross Courses.
1882. Rep. Geol. Explor., 13. A short cross-course was put in intersecting the lode.
