2. (noun) thawing, melting (of frost and snow).
He maha ngā awa kōpaka kua tīraha i runga i te whenua me te koero i te mahana haere me te makariri haere anō o te āhuarangi i ngā tau kua pahure (Te Ara 2015). / Over the years many glaciers have lain over much of the land and have melted when it became warmer and then returned as the climate has cooled.
