Poaka, n. 1. Himantopus leucocephalus, pied stilt, and H. novae-zealandiae, black stilt, shore birds. Whiri poaka, flax rope with three strands.
2. Rigel, a star. Tangohia ana mai ko Hirautu, ko Porerinuku, ko Kahuwiwhetu, ko Poaka (Tr. vii, 33). (Wohlers says Orion, but this appears to be a mistake.) = Puanga.
Williams Dictionary