Yes, a coconut tree is a palm tree. There are actually around 2600 ... which aren’t even trunks at all but are actually stems. Their leaves are either fan-shaped or feather-shaped, depending ...
If you were stranded on a remote island and had to choose one item for survival, a coconut could make the cut for everything. You could drink coconut water and coconut milk, bathe with coconut soap, ...
It needs so much sunlight, it evolved to soar above competing canopy, fronds stretching out like solar panels. See how else it adapted to space, sand and sea.