Meaning of isohaline

i•so•ha•line

Pronunciation: (ī"su-hā'lēn, -līn, -hal'ēn, -īn), [key]
— n.
  1. a line on a map of the ocean connecting all points of equal salinity.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.