Webster's English Dictionary

Enter the word to look up:

reflex

1. re.flex \'re--.fleks\ n [L reflexus, pp. of reflectere to reflect] 1a: a 
   reflected heat, light, or color  1b: a mirrored image  1c: a copy exact in 
   essential or peculiar features  2a: an act performed involuntarily in 
   consequence of a nervous impulse tran smitted inward from a receptor to a 
   nerve center and outward to an effector (as a muscle or gland) 2b: the 
   process comprising reception, transmission, and reaction culminatin g in a 
   reflex act pl  2c: the power of acting or responding with adequate speed  
   2d: an habitual and predictable way of thinking or behaving 
2. reflex aj [L reflexus] 1: bent, turned, or directed back : REFLECTED  2: 
   INTROSPECTIVE  3: produced in reaction, resistance, or return  of an angle  
   4: being between 180 and 360  5: of, relating to, or produced by reflex 
   action without intervention or c onsciousness - re.flex.ly av