In‐form″ant (?), n. [L. informans, -antis, p. pr. of informare. See Inform, v. t.] 1. One who, or that which, informs, animates, or vivifies. Glanvill.
2. One who imparts information or instruction.
3. One who offers an accusation; an informer. See Informer.
It was the last evidence of the kind; the informant
was hanged. Burke.