a black garment (dress) worn by a widow as a sign of mourning
"After her husband's death, she dressed in weeds to honor his memory."
plural of weed
"The old man was wearing weeds that had seen better days."
Clothes.
Third-person singular simple present indicative form of weed
"He weeds the garden every Saturday morning."
In plain English: To weed means to pull unwanted plants out of your garden so they don't grow where you want them.
"The gardener needs to pull all those weeds out before they choke the flowers."
The word weeds is simply an inflected form of the singular noun weed. It retains the same meaning as its base form but changes to indicate plurality.