Means when fluid (water) moves from higher concentration (low water potential) to a region of lower concentration (high water potential). E.g. the water will come out of the cell during exosmosis.
endoosmosis exoosmosis by: Anonymous
Endosmosis is the movement of water inside the cell whereas exosmosis is the movement of water outside the cell. (It's clear that endo means in and exo means out....)