Definition of "Quick" :
noun: any area of the body that is highly sensitive to pain (as the flesh underneath the skin or a fingernail or toenail)
adjective: moving quickly and lightly
"Quick of foot."
adjective: easily aroused or excited
"A quick temper."
adjective: performed with little or no delay
"Was quick to respond."
adjective: accomplished rapidly and without delay
"Was quick to make friends."
adjective: hurried and brief
"A quick inspection."
adjective: apprehending and responding with speed and sensitivity
"A quick mind."
adverb: with little or no delay
"Come here, quick!."