尖せん部ぶMeanings1nounapex; tip; pointTechnical term for the pointed end or highest point of something, used in anatomy, botany, and geometry.葉はの尖せん部ぶが鋭するどく尖とがっている。The apex of the leaf is sharply pointed.心しん臓ぞうの尖せん部ぶは左さ