Strong's #5489: Cuwph (pronounced soof)
for 5488 (by ellipsis of 3220); the Reed (Sea):--Red Sea.
Brown-Driver-Briggs Hebrew Lexicon:
ּ
sûph
Suph = "sea weed"
1) a place opposite the site of the giving of the Deuteronomic law
Part of Speech: noun proper locative
Relation: for H5488 (by ellipsis of H3220)
Usage:
This word is used 1 times:
Deuteronomy 1:1: "in the wilderness, in the plain over against the Red sea, between Paran, and Tophel, and Laban,"