2. (noun) forked spear (for catching fish).
I mau e ngā tauhou nei te maha o ngā kaimoana mā te kupenga, te matarau, te matau (Te Ara 2011). / These strangers caught much sea food with nets, spears and hooks.
3. (noun) polyhedron.
He āhua ahu-3 te matarau, ko ōna mata katoa he taparau. E whā, nui ake rānei ngā mata. He maha ngā momo matarau, ka tapaina ki te maha o ngā mata, arā, he matawhā, he matarima, he mataono, mata hia kē atu rānei. Mēnā he matarau rite, he ōrite te āhua me te rahi o ngā mata katoa, he taparau rite hoki ngā mata (TRP 2010:165). / A polyhedron is a 3-dimensional shape whose faces are all polygons. It has four or more faces. There are many types of polyhedra which are named after the number of faces they have. In regular polyhedra all faces are the same shape and size, and the faces are regular polygons. (TRP 2010:165).