Definition of launchpad. : a nonflammable platform from which a rocket, launch vehicle, or guided missile can be launched.
Terrain is defined as the specific physical features of an area of land. An example of terrain is a rocky and jagged coastline. ground or a tract of ground, esp. with regard to its natural or topographical features or fitness for some use.
Definition of ridge. 1  1 : an elevated body part or structure. 2  2a : a range of hills or mountainsb : an elongate elevation on an ocean bottom. 3  3 : an elongate crest or a linear series of crests.  4 : a raised strip (as of plowed 1  ground) 5 : the line of intersection at the top between the opposite slopes or sides of a roof.