I. -shə(r) noun
( -s )
: one that flashes: as
a. archaic : a flashy or showy person
b. : tripletail 1a
c. : a worker who flashes glass
d. : a device (as a traffic signal) that catches the attention by flashing : blinker
e. : a device for automatically lighting and extinguishing electric lamps by mechanical, thermal, or other means (as by regulating the flow of current through the lamps composing a display sign)
II. noun
: an exhibitionist who flashes