BUMPER

I. noun Etymology: probably from bump to bulge Date: 1676 a brimming cup or glass, something unusually large, II. adjective Date: 1885 unusually large , banner 2, III. noun Date: 1839 a device for absorbing shock or preventing damage (as in collision), one that bumps, a brief interval on radio or television filled with music, video shots, or voiceovers that marks a break between a program and a commercial