Ăx'le-bŏx, n.

noun

n. The journal-box of an axle, especially a railway axle.

☞ Section of a journal-box. The axle-guard, with the superincumbent weight, rests on the top of the box, and holds it in place by the flanges shown by the dotted lines G G, H H. When the gib D is drawn out through the opening covered by the cap I, the brass C may be removed. A, axle; B, journal; E, oil cellar filled with cotton waste and oil, and made tight by the leather washer F around the axle.

The text describes how an axle-guard and its flanges hold a journal-box in place and how its brass and oil cellar can be removed or serviced. — Section of a journal-box.