What does 潮流 (cháoliú) mean in English?

Card 323HSK Level 4323/3571
CARD323
PROGRESS9%
潮流
cháoliú
tide; tidal current(Noun)
Click to reveal
← Previous↑ DeckNext →

Reveal: Click/Space/Enter/↑↓/w/s/j/k•Navigate: ←→/h/l/a/d