Noun
warmest regards pl (plural only)
(idiomatic) Used as a polite closing of a letter
Would you give my warmest regards to Sir Arthur Wellesley? Or Lord Wellington as we must now call him." "You know him, sir?" "Of course. We were at the Royal Academy of Equiation together, at Angers. It's strange, Major, how your greatest soldier was taught to fight in France. Bernard Cornwell