karā
1. (noun) basalt - a dark, fine-grained volcanic rock.
I ngā rā namata he tohunga te Māori ki te whakamahi i te kōhatu pērā i te karā, te matā, te ōnewa, te pounamu me te matā tūhua ki te auaha whao, kahurangi, patu (Te Ara 2015). / In earlier times Māori used stone, such as basalt, chert, greywacke, greenstone and obsidian to create tools, ornaments and weapons.