0 a coat that reaches the knees, worn by men, especially in the past
A gentleman should never wear a high hat unless he has on a frock coat or a dress suit.
But meanwhile the tail of his highness's frock coat was sweeping the marble of the dressing table.
He was well dressed in a frock coat, black tie, and patent leather boots.
He went in a frock coat with white gloves and varnished shoes, and he genuflected.
Logan, wearing a long belted frock coat, boots, gloves and a hat, is shown with long hair and a long mustache.
Watson records that a contemporary engraving shows his body being carried from the bath by his servant and chaplain, the latter immaculately attired in a frock coat and top hat.
He told me that some 60 years ago, when he was first a surgeon, surgeons used to operate in old frock coats.