This is the 9015th most frequent Turkish word.
tekcan
The Turkish word "tekcan" does not have a standard definition or usage in the language and might be a proper noun, name, or a misspelling.
Here, 'tekcan' is used to indicate 'sole' or 'exclusive' in the context of friendship.
O, yıllardır tekcan arkadaşım olarak yanımda duruyor.
He has stood by me as my sole friend for years.
In this sentence, 'tekcan' is employed to mean 'single' referring to the author of the edition.
Bu kitap, tekcan yazara ait özel bir edisyondur.
This book is a special edition belonging to a single author.
The word 'tekcan' here conveys the meaning of 'alone' or 'solitary' in the context of the situation.