Units of measure, that is. Remember kids, "The metric system is the tool of the devil! My car gets forty rods to the hogshead and that's the way I likes it."acetable1. An ancient Roman, and old medical, fluid measure; a saucerful; usually reckoned at 2 ½ fluid ounces, or one-eighth of a pint.2. = ACETABULUM … Continue reading Everyone needs more of these.