2. (modifier) deaf, stubborn.
Ānō he tangata pōturi, he tangata wahangū tōku ahua i tēnei Whare (TWMNT 5/10/1875:220). / It's as if I am deaf and dumb person in this House.
3. (noun) slowness, deafness.
I mau haere tonu tana mahi patu piana, eke noa ki te waru tekau pea ōna tau, engari nā te pōturi ka mutu (TTR 2000:7). / He continued playing the piano until he was about 80 when his hearing failed.