noun one who quakes.
2. quaker ·noun the nankeen bird.
3. quaker ·noun the sooty albatross.
4. quaker ·noun any grasshopper or locust of the genus (edipoda;
so called from the quaking noise made during flight.
5. quaker ·noun one of a religious sect founded by george fox, of leicestershire, england, about 1650, the members of which call themselves friends. they were called quakers, originally, in derision. ·see friend, ·noun, 4.