- a tall, coniferous tree, Agathis australis, of New Zealand, yielding a valuable timber and a resin.
- the wood of this tree.
- any of various other trees of the genus Agathis.
- kauri resin.
- a New Zealand coniferous tree, Agathis australis, with oval leaves and round cones: family Araucariaceae
- the wood or resin of this tree