Exact historical dictionary sense
April in Webster's 1913 dictionary
The 1913 record labels april as noun. Its source-bounded etymology and selected historical definition appear below.
[L. Aprilis. OE. also Averil, F. Avril, fr. L. Aprilis.]
Cross-verified historical senseIn Webster's Revised Unabridged Dictionary (1913), "april" is labeled noun. Its etymology is recorded as: "[L. Aprilis. OE. also Averil, F. Avril, fr. L. Aprilis.]" The selected historical definition says: "The fourth month of the year."