Definition of leylandii in English:
noun (plural same)
A Leyland cypress.
- After officers met Mr Morgan on site, however, it was agreed the leylandii would be acceptable if their height could be regulated.
- Forget garden fences, extensions or leylandii - helipads are the new battleground for rowing neighbours.
- It's the leylandii of the climbing world - avoid it, or your neighbours will soon be avoiding you.
from the modern Latin taxonomic name.