* "The student was sent to the infirmary after fainting during gym class." (This sentence uses "infirmary" as a noun to describe a place where someone receives medical attention.)
* "The school's infirmary is equipped with basic medical supplies and a nurse on duty." (This sentence provides more detail about the contents and staff of an infirmary.)
* "After the accident, the injured passengers were taken to the infirmary on the ship." (This sentence uses "infirmary" to describe a place for medical attention on a ship or other enclosed space.)
* "The elderly woman felt unwell and decided to visit the infirmary for a checkup." (This sentence shows how "infirmary" can be used in a more general sense to describe a place for medical care.)
You can also use "infirmary" as an adjective:
* "The infirmary wing of the hospital is dedicated to treating patients with infectious diseases." (Here, "infirmary" modifies "wing" to describe a specific part of the hospital.)
The meaning of "infirmary" will be clearer depending on the context of the sentence.