Boyd’s Bible Dictionary:
(plain). (1) The plain skirting the Mediterranean coast from Judah to Caesarea. It is an extension of the “shefelah” or lowlands of Judah, and was renowned for its fertility. Called Saron in Acts 9:35. First mentioned as Lasharon (Josh. 12:18). David’s flocks fed there (1 Chron. 27:29). Celebrated (Song of Sol. 2:1; Isa. 35:2; 65:10). (2) A town or district east of Jordan, and perhaps in Gilead (1 Chron. 5:16).
Concise Bible Dictionary:
1. A very fertile plain, near the Mediterranean, extending from near Joppa northward to Mount Carmel. Its excellency is spoken of, and the bride in Song of Solomon 2:1 calls herself a “rose of Sharon.” It formed part of the lots of Ephraim and of Manasseh (1 Chron. 27:29; Isa. 33:9; Isa. 35:2; Isa. 65:10). It is called SARON in Acts 9:35.
2. Plain or city on the east of the Jordan (1 Chron. 5:16). Not identified.
Jackson’s Dictionary of Scripture Proper Names:
rectitude: observation: plain: level