leading edge
nounUK /ˌliːdɪŋ ˈedʒ/
US /ˌliːdɪŋ ˈedʒ/
The front part of something that moves forward, like the front of a bird's wing.
The leading edge of the airplane's wing cuts through the air first.
SYNONYMS
RELATED WORDS
OTHER MEANINGS
2. The most advanced or newest part of a field or technology.
This lab works at the leading edge of robot design.
3. The forward edge of a blade or cutting tool.
The leading edge of the knife is sharpened to a fine point.
4. The first part of a storm or weather front to arrive.
The leading edge of the storm reached the coast at noon.