any aquatic bird, such as Podiceps cristatus (great crested grebe), of the order Podicipediformes, similar to the divers but with lobate rather than webbed toes and a vestigial tail
Word origin
C18: from French grèbe, of unknown origin
grebe in American English
(grib)
nounWord forms: pluralgrebes or grebe
any of a worldwide order (Podicipediformes) of diving and swimming birds with broadly lobed toes and legs set far back on the body