tickle tickle /ˈtɪkəl/

noun

1. The act of tickling  ( tickle , tickling , titillation )
   the act of tickling
   
2. A cutaneous sensation often resulting from light stroking  ( tickle )
   a cutaneous sensation often resulting from light stroking
   

verb

1. Touch or stroke lightly  ( tickle )
   touch or stroke lightly
    The grass tickled her calves
   The grass tickled her calves
   
2. Feel sudden intense sensation or emotion  ( tickle , vibrate , thrill )
   feel sudden intense sensation or emotion
    He was thrilled by the speed and the roar of the engine
   he was thrilled by the speed and the roar of the engine
   
3. Touch (a body part) lightly so as to excite the surface nerves and cause uneasiness, laughter, or spasmodic movements  ( tickle , titillate , vellicate )
   touch (a body part) lightly so as to excite the surface nerves and cause uneasiness, laughter, or spasmodic movements