sell means “to sell” in English. It is irregular: some of its forms don't follow the default pattern.
Updated
The forms of sell
The core forms of sell are: third person sells, present participle selling, past simple sold, past participle sold. Because it is irregular, at least one of these is not what the regular rule would predict.
sell in a sentence
In a sentence, sell looks like this: This shop sells fresh fruit.. The example shows the context the form turns up in.
Forms and CEFR levels
This page lists 4 forms of sell, grouped by CEFR level. The third person (A1) is free to practise in Verboteca; Premium opens the remaining forms.
FAQ
What does “sell” mean in English?
sell means “to sell”.
Is sell regular or irregular?
sell is an irregular English verb: some of its forms don't follow the regular pattern.