toka tū moana
1. (noun) rock standing in the ocean - sometimes written as toka-tū-moana or tokatūmoana.
Tērā tētahi wā ka whakarērea a Kapetaua, te tipuna o Te Patukirikiri, e tana taokete e Tarakumukumu ki tētahi toka tū moana kei waho i Takaparawhā. Ko te ingoa o taua toka ko Te Toka-o-Kapetaua (e mōhiotia anō ko Bean Rock) (Te Ara 2016). / There was an occasion when Kapetaua, the ancestor of Te Patukirikiri, was abandoned by his brother-in-law, Tarakumukumu, on a rock off Bastion Point. The name of that rock is Te Toka-o-Kapetaua (also known as Bean Rock).
2. (noun) stalwart, supporter, centre - a figurative term to describe a person who is there for you through thick and thin, a strong leader, etc.
Ka taea te whakawhirinaki ki a ia hei toka tū moana i te wā e whati ana ngā ngaru tōrangapū (TTR 1996:143). / He could be relied upon as a stalwart in rough political times.