[f. LYNCH v. + -ER1.] One who lynches; one who punishes or helps to punish by lynch law, esp. one who puts (an offender) to death by summary process.
1839. Niles Reg., 15 June, 256/2. Lynchers punished.
1847. Harbinger, 7 Aug., 136/1. The company of lynchers once formed, they proceed to the execution of summary justice.
1881. Times, 21 Feb., 5/6. The mob of lynchers numbered 200.