Meaning of SIGNAL in English

SIGNAL

n.

Function: adjective

Etymology: modification of French signalé, past participle of signaler to distinguish, from Old Italian segnalare to signal, distinguish, from segnale signal, from Medieval Latin signale

Date: 1627

: distinguished from the ordinary : NOTABLE <a signal achievement>

Merriam Webster Collegiate English Dictionary.      Merriam Webster - Энциклопедический словарь английского языка.