A person or thing embodying something to be avoided; an example, a warning. Obsolete.

A deterrent instance of punishment, or of the evil consequences of any course of conduct; a practical warning. Const. to, of (the person to be…

A warning; = example, n. 4. Phrases, in sample, by way of warning. to take sample. Obsolete.

An experience, sight, etc. that serves as a caution; a deterrent example.

An occurrence, act, or fact, which conveys a warning. (Somewhat colloquial: cf. ‘warning’.)