2. (noun) invertebrate.
He rerekē tēnei manu, inarā he manu kai hātaretare, arā, mā te tirikohu ki te wai kia ketuketu i ngā toka me ōna ngutu (Te Ara 2015). / This bird is unusual in that it is a bird that eats invertebrates, by diving down into the water to fossick around in the boulders with its beak.