Exact historical dictionary sense
Mail in Webster's 1913 dictionary
The 1913 record labels mail as noun. Its source-bounded etymology and selected historical definition appear below.
[OE. maile, maille, F. maille a ring of mail, mesh, network, a coat of mail, fr. L. macula spot, a mesh of a net. Cf. Macle, Macula, Mascle.]
Cross-verified historical senseIn Webster's Revised Unabridged Dictionary (1913), "mail" is labeled noun. Its etymology is recorded as: "[OE. maile, maille, F. maille a ring of mail, mesh, network, a coat of mail, fr. L. macula spot, a mesh of a net. Cf. Macle, Macula, Mascle.]" The selected historical definition says: "A flexible fabric made of metal rings interlinked. It was used especially for defensive armor."