Exact historical dictionary sense
Scale in Webster's 1913 dictionary
The 1913 record labels scale as verb. Its source-bounded etymology and selected historical definition appear below.
[Cf. It. scalare, fr. L. scalae, scala. See Scale a ladder.]
Cross-verified historical senseIn Webster's Revised Unabridged Dictionary (1913), "scale" is labeled verb. Its etymology is recorded as: "[Cf. It. scalare, fr. L. scalae, scala. See Scale a ladder.]" The selected historical definition says: "To climb by a ladder, or as if by a ladder; to ascend by steps or by climbing; to clamber up; as, to scale the wall of a fort."