kōiwi
1. (noun) human bone, corpse.
Tērā ngā wāhine hauaitu rawa i te hemokai e awhi kau ana i ā rātou tamariki kōiwi kau ki ō rātou poho; ko ētahi, ko ngā iwi me te kiri anake kāore he kiko (TWMNT 19/5/1874:137). / There were the women weak from hunger and hugging to their chests the corpses of their children; some were just skin and bone with no flesh.
3. (noun) descendants, line of issue.
Ko Te Kani-ā-Takirau, kāore ōna uri, kua matemate anake, kāore he kōiwi mōna (W 1971:129). / Te Kani-ā-Takirau has no descendants, they're all dead, there is no line of issue for him.
rua kōiwi
1. (noun) burial place, burial cave - strictly speaking the burial place of the bones of the dead.
Kei reira te tomokanga mā raro i te moana ki te rua kōiwi o ngā tūpāpaku rongonui o Kāwhia i ngā wā ki muri (M 2004:114). / That is where the entrance is to the subterranean burial place of the honoured dead of Kāwhia of former times.