Nguru, ngunguru. 1. v.i. Utter a suppressed groan, sigh, or grunt. Kua rongo mai ki te reo, ka ngunguru te koroheke nei (T. 201).
2. Murmur. Koia e ngunguru nei te kereru, ku, ku (W. i, 76).
3. Rumble.
4. n. An incantation in connection with marriage. Ka roa ka mutu hoki tona ngunguru (J. xx, 20).
Williams Dictionary