Upokororo \U`po*ko*ro"ro\, n. [From the native Maori name.]
(Zool.)
An edible fresh-water New Zealand fish ({Prototroctes
oxyrhynchus}) of the family {Haplochitonidae}. In general
appearance and habits, it resembles the northern lake
whitefishes and trout. Called also {grayling}.
[1913 Webster]