the application of wax to a surface
"She spent an hour carefully applying carnauba wax to her vintage sedan before showing it off at the classic car meet."
The action of the verb to wax.
"The moon was slowly waxing as it moved higher into the night sky, growing brighter by the hour."
present participle and gerund of wax
"She spent hours waxing her legs to prepare for her beach vacation."
(of the moon) pertaining to the period during which the visible surface of the moon increases
"the waxing moon passes from new to full"