[f. BEETLE v.1 + -ING2.] Projecting, overhanging.
1728. Thomson, Spring. The hawk High in the beetling cliff his aery builds.
1809. W. Irving, Knickerb. (1861), 197. From the beetling brow of some precipice.
1840. Dickens, Barn. Rudge, xxxvi. His beetling brow almost obscured his eyes.
