A portrait was an artistic depiction of an individual, usually featuring the face.
In 2013, Charlie Gibbs alluded to The Picture of Dorian Gray when he said that Turlough must have had a "portrait in the attic" as he had not aged since 1983. (AUDIO: Eldrad Must Die!)
Examples of portraits
The Collection of Necessary Secrets had a Leonardo da Vinci portrait of John the Baptist with hidden messages. (PROSE: Christmas on a Rational Planet)
Johann Illes only ever made one portrait, which was of the Unique Lady. When the Unique Lady heard rumours of him painting a portrait of Arabella Horsley, making his portrait of her not unique, she had him killed. (PROSE: The Last Dodo)
The Tenth Doctor visited the National Portrait Gallery and saw a painting of T.S. Eliot there. It was signed by M. Silligton in 1940. The Doctor supposed that it was the same M. Sillington that he met at Gallows Gate Road. (PROSE: Number 1, Gallows Gate Road)
Upon death, a Gråttite's body would be buried in a graveyard and their portrait hung in the Whispering Gallery. The portrait would have the Gråttite's last stream of consciousness embedded within it. (COMIC: The Whispering Gallery)
In 1665, Johanssen Whalley made a portrait of James, 3rd Earl of Marchwood, with his children Joseph and Elizabeth. (TV: The Eternity Trap)
Portraits of the Doctor
The Sixth Doctor possessed portraits of himself by Michelangelo and Vincent van Gogh. (COMIC: Changes)
The Doctor commissioned Andy Warhol to paint a portrait of all his incarnations. In place of the War Doctor, however, there was a silhouette (PROSE: The War of Art)
Portraits of the Doctor's companions
The Doctor kept a portrait of his granddaughter in his house in Wales. (COMIC: A Matter of Life and Death)
Thomas Gainsborough painted a portrait of Ace that would hang in Windsor Castle in 1988. She saw it there before she had posed for it. (TV: Silver Nemesis)
A portrait of Clara Oswald was found in the Twelfth Doctor's Confession dial. (TV: Heaven Sent)