This is the 12235th most frequent Polish word.
metr
"Meter" – a unit of length in the metric system, equal to 100 centimeters.
The word 'metr' is used here to indicate a measure of length.
Mam jeden metr materiału.
I have one meter of fabric.
The word 'metr' (in the plural form 'metrów') represents a unit of distance in athletics.
Biegacz przebiegł sto metrów w krótkim czasie.
The runner ran one hundred meters in a short time.
The term 'metr' is used here as part of the compound measurement 'square meters', referring to area.