This is the 10262nd most frequent French word.
infirmières
Nurses.
The word 'infirmières' is used as a noun in plural form referring to female nurses, indicating their workplace.
Les infirmières travaillent à l'hôpital.
The nurses work at the hospital.
Here, 'infirmières' refers to specific individuals encountered, again as a plural noun indicating female nurses.
J'ai vu deux infirmières aujourd'hui.
I saw two nurses today.
In this usage, 'infirmières' describes general attributes of professionals in the nursing profession.