Meaning
In Ex 2:3, 5, Isa 19:6, it is the rendering of the Hebrew suph , a word which occurs frequently in connection with yam; as yam suph , to denote the "Red Sea" (q.v.) or the sea of weeds (as this word is rendered, Jonah 2:5). It denotes some kind of sedge or reed which grows in marshy places. (See PAPER, REED.)