Pea

A pea was a small green vegetable commonly eaten on Earth.

Peas were sometimes served as an accompaniment to pie, such as at the pie-and-peas supper nights held by the Christmas Hotel in Whitby. (PROSE: Brenda's B&B)

Peas could sometimes be served "mushy" alongside fish and chips. (PROSE: Kaleidoscope)

River Song claimed that Hydroflax had a brain the size of a pea. (TV: The Husbands of River Song)

The University of Rago Rago 56 Rago held a copy of a book called A History of Peas, but it was found to be boring and was to be destroyed. (COMIC: The Macrobe Menace)