Any of various small grebes of the genera Poliocephalus and Tachybaptus.
The smallest European grebe (Podiceps ruficollis)
(UK) Popular name for the little grebe.
Origin of dabchick
Alteration (probably influenced by dab) of earlier dobchick, dopchick probably obsolete English dop to dive, plunge (from Middle English doppen) (Middle English doppe diving bird) (from Old English -doppa) (as in dūfedoppa pelican) chick