Malpighian cell
noun
1 Botany any of the elongated sclereids forming an outer protective layer of the seed coat in plants of the family Malpighiaceae and certain other, especially leguminous, families.
2 Anatomy and Zoology, an epithelial cell of the Malpighian layer.
Origin
Early 20th century; earliest use found in Benjamin Jackson (1846–1927).