Definitions for "Mesic"
Keywords:  xeric, hydric, moist, habitat, wet
Characterized by intermediate moisture conditions, neither decidedly wet nor decidedly dry. The mid-range of the moisture scale from wet to dry. Moist throughout the growing season (compare xeric).
Adapted to having a balanced supply of moisture, neither wet nor dry.
Characterized by a moderate amount of moisture and light; plants that favor these conditions.
of or pertaining to a meson; "the radii of the mesic orbits"- Lawrence Wilets
Mesic plants are adapted to survive on terrestrial sites with fair to good water supply. Forest Management