aerial
Meaning: somehow related to the air
Usage: We watched as the fighter planes conducted aerial maneuvers.
zephyr
Meaning: a gentle breeze
Usage: If not for the zephyrs that were blowing and cooling us, our room would’ve been unbearably hot.
terrestrial
Meaning: relating to the land
Usage: Elephants are terrestrial animals.
aquatic
Meaning: relating to water
Usage: The marine biologist studies starfish and other aquatic creatures.
arboreal
Meaning: of or relating to trees
Usage: The arboreal squirrels live in trees, whereas the ground squirrels do not.