The Round Table is King Arthur

King Arthur

King Arthur is a legendary British leader of the late 5th and early 6th centuries, who, according to Medieval histories and romances, led the defence of Britain against Saxon invaders in the early 6th century. The details of Arthur's story are mainly composed of folklore and literary invention, and...

's famed table

Table (furniture)

A table is a form of furniture with a flat and satisfactory horizontal upper surface used to support objects of interest, for storage, show, and/or manipulation...

 in the Arthurian legend, around which he and his Knight

Knight

A knight was a member of a class of lower nobility in the High Middle Ages.By the Late Middle Ages, the rank had become associated with the ideals of chivalry, a code of conduct for the perfect courtly Christian warrior....

s congregate. As its name suggests, it has no head, implying that everyone who sits there has equal status. The table was first described in 1155 by Wace

Wace

Wace was a Norman poet, who was born in Jersey and brought up in mainland Normandy , ending his career as Canon of Bayeux.-Life:...

, who relied on previous depictions of Arthur's fabulous retinue. The symbolism of the Round Table developed over time; by the close of the 12th century it had come to represent the chivalric order

Chivalric order

Chivalric orders are societies and fellowships of knights that have been created by European monarchs in imitation of the military orders of the Crusades...

 associated with Arthur's court, the Knights of the Round Table.
The Round Table first appears in Wace

Wace

Wace was a Norman poet, who was born in Jersey and brought up in mainland Normandy , ending his career as Canon of Bayeux.-Life:...

's Roman de Brut

Roman de Brut

Roman de Brut or Brut is a verse literary history of Britain by the poet Wace. Written in the Norman language, it consists of 14,866 lines....

, a Norman language

Norman language

Norman is a Romance language and one of the Oïl languages. Norman can be classified as one of the northern Oïl languages along with Picard and Walloon...

 adaptation of Geoffrey of Monmouth

Geoffrey of Monmouth

Geoffrey of Monmouth was a cleric and one of the major figures in the development of British historiography and the popularity of tales of King Arthur...

's Historia Regum Britanniae

Historia Regum Britanniae

The Historia Regum Britanniae is a pseudohistorical account of British history, written c. 1136 by Geoffrey of Monmouth. It chronicles the lives of the kings of the Britons in a chronological narrative spanning a time of two thousand years, beginning with the Trojans founding the British nation...

finished in 1155.