v.
1.improve or perfect by pruning or polishing
2.make more complex, intricate, or richer
3.treat or prepare so as to put in a usable condition
4.reduce to a fine, unmixed, or pure state
5.attenuate or reduce in vigor, strength, or validity by polishing or purifying
6.make more precise or increase the discriminatory powers of
Idiom of the Day
weed out (someone or something) or weed (someone or something) out
to remove something that is unwanted, to get rid of something
I spent the morning weeding out the clothes that I do not wear anymore.