This is the 6988th most frequent Spanish word.
edgar
"Edgar" is a proper noun, typically a male given name, and does not have a standalone meaning in Spanish.
In this sentence, 'Edgar' is used as a proper noun referring to a person's name.
Edgar es amigo de Juan.
Edgar is a friend of Juan.
Here, 'Edgares' is an unconventional pluralization of the name Edgar, suggesting rarity.
Edgares son difíciles de encontrar.
Edgars are difficult to find.
In this poetic usage, 'Edgar' is creatively employed, perhaps as a metaphor or a symbolic expression.