ˈdab+ˌ- noun
Etymology: earlier dapchick, probably from alteration of dop (to dive) + chick
1. : any of several small grebes: as
a. : little grebe
b. : pied-billed grebe
c. : a small Australian grebe ( Podiceps novae-hollandiae )
2. dialect England : the common gallinule of Europe