|Origin:||Old English weaxan 'to grow'|
to rub a layer of wax into a floor, surface etc to protect it or make it shine
to talk with extreme feeling, liking or pleasure about something - used humorously
wax sentimental/eloquent/lyrical etc about
Journalists wax lyrical about the band.
when the moon waxes, it seems to get bigger each night [≠ wane]
to increase and decrease over time:
Interest in the show has waxed and waned.
if you wax your legs, arms etc, you remove the hair from them using wax