Kotā, v.i. Open, crack, gape. Kotā ana te papa i te ra.
Williams Dictionary
Kota, n. 1. Cockle shell.
2. Anything to scrape or cut with.
3. A rope of human hair used in certain rites. Tenei mea te kota he mahunga tangata i whiria ai hei whakaheke.
4. Excreta of wood-boring insects, grubs, etc.
5. Sawdust. (mod.)
6. Fragments of charcoal from burnt brush. Katahi ka tahuna te manuka, ka hora nga kota kia piri te kota ki runga ki te whenua.
kōkota, n. 1. Amphidesma australe and Paphies novaezealandiae, bivalve molluscs. Akuanei ko te whakatokanga o nga kokota i mauria atu e Kahu ki roto ki te wai.
Williams Dictionary