[dahy-ker] 
) -ker. | any of several small African antelopes of the Cephalophus, Sylvicapra, and related genera, the males and often the females having short, spikelike horns: some are endangered. |
| dui·ker (dī'kər) n. Any of various small African antelopes of the genera Cephalophus or Sylvicapra, having short, backward-pointing horns. [Afrikaans, from Dutch duiken, to dive, from Middle Dutch dūken.] |