Diophantine Geometry: An Introduction
《Diophantine Geometry: An Introduction》 · 第 161 页 · Section A.9.3「Minimal Model of a Curve」，Definition
A curve $V$ defined over a field $K$ has semistable reduction at $\mathfrak p$ if the special fiber at $\mathfrak p$ of the minimal model of $V$ is reduced and has only ordinary double points as singularities.