brat·tle I. \ˈbratəl\noun (-s) Etymology: probably of imitative origin 1.chiefly Scotland: a loud clattering noise 2.chiefly Scotland: a sudden forward rush II. intransitive verb (brattled ; brattled ; brattling \-t(ə)liŋ, -lə̇n\ ; brattles) chiefly Scotland: to make a rushing, clattering, or rattling sound < the stream went brattling over the rocks >