ˈgābrēəlˌrachə̇t noun
Etymology: Middle English Gabrielle rache, from Gabriel, one of the seven archangels, the herald of good tidings (Lk 1), thought of as blowing a trumpet on Judgment Day + rache hound — more at rach
dialect : the cries of migrating wild geese flying by night which are often popularly explained as the baying of a supernatural pack of hounds and to which various superstitious significances (as forebodings of evil) are attributed