1. One who, or that which, informs, animates, or vivifies. [Obs.]
2. One who imparts information or instruction.
3. One who offers an accusation; an informer. See Informer. [Obs. or R.]
It was the last evidence of the kind; the informant
was hanged. --Burke.
n 1: a person who supplies information [syn: source]
2: someone who sees an event and reports what happened [syn: witness,