What does 先端 mean in Japanese?

pointed end, tip, point, cusp (of a leaf, crescent moon, etc.), apex (of a curve), forefront

先端 (Sentan) — pointed end · Japanese Dictionary

せんたん

Sentan

Other forms: 尖端

先端 (Sentan) is a Japanese noun meaning “pointed end, tip, point, cusp (of a leaf, crescent moon, etc.)”.

nounpointed end; tip; point; cusp (of a leaf, crescent moon, etc.); apex (of a curve)
nounforefront; vanguard; spearhead; leading edge

彼女は先端を行っています。
She is on the cutting edge.
水面に現れてるのは氷山の先端にすぎない。
What you see above the water is just the tip of the iceberg.
表面に現れているのは氷山の先端に過ぎない。
Only the tip of an iceberg shows above the water.

Sentences from Tatoeba (CC BY 2.0 FR).