3. (noun) whistle - with a bent finger.
Mehemea ka korowhio te kiwi, pēnei me te korowhiti, ā he tāne tēnā (W 1971:146). / If the kiwi whistles, like the whistle through a bent finger, that's a male.
4. (noun) short flute, whistle.
Me whakatangi te korowhiti ki Tītīraupenga, hei a Te Momo (M 2007:68). / Play the flute towards Tītīraupenga where Te Momo is.