(baseball) Initialism of earned run average, a baseball statistic. / (electronics) Initialism of electrically reconfigurable array. / (military) Initialism of explosive reactive armor.

Alternative form of filigree

A food consisting of chopped meat and pickled herring, with oil, vinegar, pepper, and onions. / Hence, any mixture of various ingredients; an olio or medley; a potpourri; a miscellany.

Something that has been isolated.