Informant 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. [Obs.] --Glanvill. [1913 Webster]

2. One who imparts information or instruction. [1913 Webster]

3. One who offers an accusation; an informer. See {Informer}. [Obs. or R.] [1913 Webster]

It was the last evidence of the kind; the informant was hanged. --Burke. [1913 Webster]

The Collaborative International Dictionary of English. 2000.