A condolence letter is a short and heartfelt message that you write to someone who has lost a loved one. It is a way to express your sympathy and let them know that you are thinking of them during a difficult time. Full definition
«I do agree with the point that there is major disaffection and that Ukip has actually benefited from that... but actually I'm going to be congratulating our candidates when the Tories and the Lib Dems are going to be writing condolence letters.» (theguardian.com)
Jacqueline Kennedy's determination to respond to all those who wrote is one of many remarkable stories in Dear Mrs. Kennedy: The World Shares Its Grief, a collection of condolence letters from the archives of the Kennedy Library. (bookpage.com)
To help some of James's friends from Bennet feel involved in the grieving and farewell process, Ms.Ouellette asked some of them to write condolence letters to James's family. (educationworld.com)