Definition of "reflex" []

• Bent, turned, or thrown back; reflected. (adjective)
• Physiology Being an involuntary action or response, such as a sneeze, blink, or hiccup. (adjective)
• Produced as an automatic response or reaction: reflex opposition to change. (adjective)
• Something, such as light or heat, that is reflected. (noun)
• An image produced by reflection. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Thank you click on any link with a Japanese girl in the title reflex"
• "We have asserted, and also proven experimentally, that normally this reflex is always of a specific nature, i.e. that the endings of the centripetal nerves receiving the stimulation are different, each bringing about a reflex only when there are very defined external stimuli."
• "If the arm or the leg of a sleeper be stroked or touched, or a cold breath of air blows thereon, it will be withdrawn, and such withdrawal is what we call a reflex action."