waikura
1. (verb) (-tia) to rust, become rusty, corrode.
Kua waikuratia tā koutou kōura me tā koutou hiriwa; ko te waikura anō o aua mea hei kaiwhakaatu i tō koutou hē, hei kai hoki i ō koutou kikokiko, anō he kāpura (PT Hemi 5:2). / Your gold and silver is cankered; and the rust of them shall be a witness against you, and shall eat your flesh as it were fire.
2. (noun) rust, corrosion.
Pūrangatia mā koutou he taonga ki te rangi, ki te wāhi e kore ai e whakakino te huhu, te waikura (KO 15/9/1883:3). / Pile up treasures in heaven for yourselves, in the place where huhu grubs and rust will not damage them.
