sĭon, ii, n., = σίον,
water - parsley : Sium latifolium, Linn.; Plin. 26, 8, 56, § 88; 22, 22, 41, § 84.
SION, M. (Σιών), originally the name of a particular fortress or hill of Jerusalem, but often in the...
Dictionary of Greek and Roman Geography