The remains of Rath Meave consist of an approximately circular henge, about 700 metres long, enclosing an area of about 4 hectares.

[3][4] A cut on the north side of Rath Medb's bank, presumably the entrance, is aligned with the oldest site at Tara, the Mound of the Hostages.

Rath Meave was constructed during the fourth phase of Tara's building, in the early Bronze Age (c. 2000–1500 BC).

[5] It takes its name from Medb Lethderg, a Celtic sovereignty goddess who in Irish legend was the wife or lover of nine successive Kings of Tara.

The name Medb means "intoxicator" and is cognate with "mead," making clear the connection between the marriage of the king to the sovereignty goddess and the use of alcohol at these ceremonies.