What is in memoriam meaning?

"In memoriam" is a Latin phrase used to signify a tribute in memory of a deceased person. It is a way of honoring the memory of someone who has passed away. Use of the phrase "in memoriam" is common in obituaries, funeral programs, and on headstones and monuments. In addition, it is often used to commemorate someone's life by naming a scholarship, building, or other memorial after them. The phrase is often shortened to "in memory of" or "in loving memory of."