This is the 8973rd most frequent German word.
lechner
The German word "Lechner" is typically a surname and does not have a standard definition as a common noun.
In this sentence, 'Lechner' is used as a proper noun, referring to the surname of the individual.
Herr Lechner arbeitet heute im Büro.
Mr. Lechner is working in the office today.
Here, 'Lechner' is part of a proper noun denoting the name of the street.
Die Lechner Straße ist immer vielbefahren.
Lechner Street is always busy.
In this usage, 'Lechner' represents a brand or designation, referring to a specific model.