plural of mack

(baseball, of a batted ball) To the opposite side of the plate relative to the batter.

(obsolete, intransitive) To depart, leave; to make off. / (obsolete, transitive) To destroy. / (obsolete, transitive) To kill. / (obsolete, transitive) To get rid of, dispose of.

That prognosticates or makes predictions about the future; predictive.