albero (Nomen)

1

Achse (n)

meccanico
2

Spindel (n)

meccanico
3

Welle (n)

meccanico
4

Baum (n)

''(computing theory)'' recursive data structure, ''(graph theory)'' graph tree with no cycles, ''(graphical user interface)'' tree list, botanica, pole with storage hooks
5
linguistica
6

Mast (n)

nautico