“+ adjective
Etymology: sub- + aerial
: taking place in the open air : situated or occurring on or immediately adjacent to the surface of the earth: as
a. : of, relating to, or taking place on a land surface as distinguished from a subaqueous or subterranean
subaerial erosion
a subaerial valley
b. : situated or growing at or just above the surface of the ground
subaerial roots
• sub·aerially “+ adverb