Is this a verb, why does Google say adjective

'I watched as a vast wave gathered behind the boat, soaring above the cabin, a wall of white
water towering over our tiny boat'
Is soaring a verb, on Google it says adjective not sure why?
Same with towering, Google says its an adjective but i thought verb

Soaring can be both " soaring eagle" used as an adjective
"The eagle soared into the air" - a verb