Exact historical dictionary sense
Treatment in Webster's 1913 dictionary
The 1913 record labels treatment as noun. Its source-bounded etymology and selected historical definition appear below.
[Cf. F. traitement. See Treat.]
Cross-verified historical senseIn Webster's Revised Unabridged Dictionary (1913), "treatment" is labeled noun. Its etymology is recorded as: "[Cf. F. traitement. See Treat.]" The selected historical definition says: "The act or manner of treating; management; manipulation; handling; usage; as, unkind treatment; medical treatment."