The Collaborative International Dictionary
Areal \A"re*al\, a. [Cf. L. arealis, fr. area.] Of or pertaining to an area; as, areal interstices (the areas or spaces inclosed by the reticulate vessels of leaves).
Douglas Harper's Etymology Dictionary
1670s, from Latin arealis, from area (see area).
adj. of or relating to or involving an area
a. Of or pertaining to an area.
Usage examples of "areal".
For some reason his wry ness released the cramp in her throat, and she met his gaze, areal grin appearing.
And here, for the rider, was areal shetani, ambushing her in the Bush!
And a repressed memory would deal with areal event, such as physical or sexual abuse, not a fantasy nightmare.