halloo/həˈlu:; hə`lu/ interj, n cry used to urge on hounds or to attract attention (嗾狗追逐的叫声)嘿; (引起注意的呼语)哎. halloo v [I]shout `halloo', esp to hounds 叫`嘿'(尤用以嗾狗).
牛津英汉双解词典