Definition of “prevailing” - Learner’s Dictionary

prevailing

adjective [ always before noun ] uk us /prɪˈveɪlɪŋ/

existing a lot in a particular group, area, or at a particular time:

a prevailing attitude/mood
a prevailing wind

a wind that usually blows in a particular place

(Definition of “prevailing” from the Cambridge Learner's Dictionary © Cambridge University Press)