Definition of "wick"
A bundle, twist, braid, or woven strip of cord, fabric, fiber, or other porous material in a candle, oil lamp, kerosene heater, or the like, that draws up liquid fuel, such as melted tallow, wax, or the oil, delivering it to the base of the flame for conversion to gases and burning; any other length of material burned for illumination in small successive portions.
Any piece of porous material that conveys liquid by capillary action; e.g. a strip of gauze placed in a wound to serve as a drain.
To convey or draw off (liquid) by capillary action.
To traverse (i.e. be conveyed by capillary action) through a wick or other porous material, as water through a sponge. Usually followed by through.