n. 1 a surface of the earth, esp. as contrasted with the air around it. b part of this specified in some way (low ground). 2 a position, area, or distance on the earth’s surface. b extent of a subject dealt with (the book covers a lot
n. 1 a surface of the earth, esp. as contrasted with the air around it. b part of this specified in some way (low ground). 2 a position, area, or distance on the earth’s surface. b extent of a subject dealt with (the book covers a lot