terrain (n.)

• acres
• agora
• airspace
• alluvion
• alluvium
• amphitheater
• area
• arena
• auditorium
• background
• bailiwick
• belt
• bowl
• campus
• canvas
• champaign
• circus
• clay
• clearance
• clearing
• clod
• cockpit
• coliseum
• colosseum
• confines
• contour
• corridor
• country
• course
• crust
• demesne
• department
• desert
• dirt
• district
• division
• domain
• dominion
• dust
• earth
• environs
• field
• floor
• form
• forum
• freehold
• glade
• glebe
• grassland
• ground
• gym
• gymnasium
• hall
• heartland
• hinterland
• hippodrome
• land
• landscape
• lithosphere
• locale
• marketplace
• marl
• mat
• milieu
• mold
• neighborhood
• outback
• palaestra
• part
• parts
• pit
• place
• plain
• platform
• prairie
• precinct
• premises
• profile
• province
• purlieu
• quarter
• range
• region
• ring
• salient
• scene
• scenery
• section
• setting
• shape
• site
• sod
• soil
• space
• sphere
• stadium
• stage
• steppe
• subsoil
• territory
• theater
• tiltyard
• topography
• topsoil
• turf
• vicinity
• walk
• wilderness
• woodland
• zone