grease-boxn. = grease-potn.; also grease axle box (see quot.).
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1856 H. A. FordArchery vii. 46 The grease box is generally made of wood, horn, or ivory.
1888 Lockwood's Dict. Mech. Engin. at Axle-Box Axle boxes are called oil axle boxes, or grease axle boxes, as they are constructed for using one or the other lubricant.