leading edge noun
plural ∼ edges 1 [count] : the front edge of something that moves
▪ the leading edge of an airplane's wing ▪ the leading edge of a thunderstorm 2 [singular] : the most important or advanced area of activity in a particular field
▪ a company that is at/on the leading edge [=cutting edge] of new developments in technology
▪ the leading edge of an airplane's wing ▪ the leading edge of a thunderstorm
▪ a company that is at/on the leading edge [=cutting edge] of new developments in technology
