Lucerne
Lucerne (noun) means Alfalfa, a clover-like forage plant grown as feed for livestock. Example: “The farmer planted a field of lucerne to feed the cattle over winter.”
How to use Lucerne
Learner’s notesIn plain EnglishA common British and Australian name for the plant Americans usually call alfalfa.
Chiefly British/Australian usage; American English almost always says "alfalfa" instead.
Fill the gap
Can you complete this real example?
The farmer planted a field of _____ to feed the cattle over winter.
Etymology
From French "luzerne"; the Swiss city of Lucerne shares the spelling but not a confirmed common origin.