Tuātara, n. Spine, as on the back of a fish, etc. Ka momohe rapea ona tuatara, e ngana ki te kai tangata mana (T. 154). Titiro rawa atu ki o raua kiri, me te rangi ura i te werowerohanga a te tuatara o te ika.
Williams Dictionary
Tuatara, n. 1. Sphenodon punctatus, a reptile like a large lizard. Ka mokai koa nge ra nga tuatara o Te Huakiwi (M. 319). = tuakeke, tuatete. Tuatara noke, an insect.
2. Clay, loam. Tuatara wawata, a crumbly, friable soil.
3. Clod. Te ringaringa motomoto tuatara o te kainga o Te Wahine-iti (P.).
Williams Dictionary