Exact historical dictionary sense
Grade in Webster's 1913 dictionary
The 1913 record labels grade as noun. Its source-bounded etymology and selected historical definition appear below.
[F. grade, L. gradus step, pace, grade, from gradi to step, go. Cf. Congress, Degree, Gradus.]
Cross-verified historical senseIn Webster's Revised Unabridged Dictionary (1913), "grade" is labeled noun. Its etymology is recorded as: "[F. grade, L. gradus step, pace, grade, from gradi to step, go. Cf. Congress, Degree, Gradus.]" The selected historical definition says: "A step or degree in any series, rank, quality, order; relative position or standing; as, grades of military rank; crimes of every grade; grades of flour."