Chair

The Abzorbaloff sits on his chair after farting, to the displeasure of Bliss. (TV: Love & Monsters)

A chair was a type of furniture on which an individual would sit.

Sentient chairs existed on Gallifrey. (PROSE: Lungbarrow) Susan Foreman played with one in her youth, though hers was not house trained and enjoyed chasing her around. (AUDIO: The Beginning)

On Earth

When the Master visited Earth in the 1970s to assist the Nestene Consciousness, he used a plastic chair to suffocate George McDermott. (TV: Terror of the Autons)

A Slitheen disguised as Ambassador Rahnius blamed the noises made by him farting on the "very incriminating" chair he was sat on while visiting 13 Bannerman Road, suggesting to Sarah Jane Smith that she replace it. (TV: From Raxacoricofallapatorious with Love)

Victor Kennedy's office had two chairs, one of which was desk side. It was on the desk side chair that the human disguised Abzorbalovian was sitting when he found the LINDA website, using a handheld device to trace their location before absorbing his secretary. (WC: Tardisode 10)

After being absorbed by Kennedy, actually the Abzorbaloff, Bliss' face ended up embedded into his buttock and was thus compressed into the seat of the chair he was sat on, unable to speak. Straining to reveal herself to her fellow LINDA members searching for her whereabouts, Bliss was allowed to announce "I said, you really don't want to know!" as the Abzorbaloff tilted to one side to let out a loud fart before promptly sitting back down. Finally, after Bliss gave a muffled warning for Elton Pope to run, the Abzorbaloff swiftly leaped from his chair to absorb him. (TV: Love & Monsters)

Clara Oswald used a chair to disable the launching system for Winifred Gillyflower's rocket. The Eleventh Doctor later used the same chair to break a window, noting their usefulness. (TV: The Crimson Horror)

Elsewhere

Bernice Summerfield believed that there were no chairs on Skaro. (AUDIO: The Lights of Skaro) When the Twelfth Doctor went to meet Davros, however, Davros had had the Daleks procure the "only other chair on Skaro" for the Time Lord, the other being his own. The Kaled insisted that his foe should feel grateful and privileged due to the near impossibility of finding it and told him not to get up. The Doctor quickly picked himself up and proceeded to ignore the chair. (TV: The Witch's Familiar)

When held prisoner by the Daleks, Emma was tied to a chair. She openly questioned why the Daleks had chairs in the first place, with a Dalek drone answering that they would explain later. (TV: The Curse of Fatal Death) Emotionally overwhelmed by the Battle of Mordeela, the Eighth Doctor, an unwilling associate of the Dalek Time Squad, searched for a chair on their saucer before realising that they would not have any. (PROSE: All Flesh is Grass)

After realising the castle inside his confession dial was in the sea, the Twelfth Doctor threw a stool out of the castle window to determine the wind resistance and how many seconds it took to hit the water so he could see if he could escape the Veil by jumping out himself. The room reset itself in each loop of the Doctor dying and being brought back to life, meaning the stool returned to the room. (TV: Heaven Sent)

Ram Singh once told a Leaf Dragon to "make a chair or something" after it took Tom Dawson back through the Coal Hill time rift. (TV: The Coach with the Dragon Tattoo)

In 2501, prisoners in Detention Centre 6 rioted, and beat some of their wardens to death using chairs. (PROSE: The Monsters Inside)