Exact historical dictionary sense
Drug in Webster's 1913 dictionary
The 1913 record labels drug as noun. Its source-bounded etymology and selected historical definition appear below.
[F. drogue, prob. fr. D. droog; akin to E. dry; thus orig., dry substance, hers, plants, or wares. See Dry.]
Cross-verified historical senseIn Webster's Revised Unabridged Dictionary (1913), "drug" is labeled noun. Its etymology is recorded as: "[F. drogue, prob. fr. D. droog; akin to E. dry; thus orig., dry substance, hers, plants, or wares. See Dry.]" The selected historical definition says: "Any animal, vegetable, or mineral substance used in the composition of medicines."