People which are damaged, injured, suffer or die as a result of an event. By extension, it can be applied to things, ideas or institutions. "The Rule of Law was one of the first casualties of the dictator's rule."
casualties
A fleet of 12 Ambulances were used to convey all the casualties to hospital.
Casualties.
When the bus crashed there were many casualties....
The definition of something describes exactly what the word is and how the word can be used. You will also see synonyms for the word and if the word is a noun or adjective when viewing the definition.
The dictionary definition of a word
what is the definition of word-processing package
a definition of a compound word is jack-ass.
The word that goes with that definition is "door."
The definition of the word cited is quote as evidence for or justification of an argument or statement. Another definition for the word cited is mention as an example.
The word Lululemon Athletica has a definition. The word (words) have no definition, but instead are a name of a yoga athletic gear. The word Lulemon Athletica has no definition.
That word has no definition in English.