Is it a ‘vertical bar chart’ or ‘column chart’?

Creating a charting application where a user can pick their visualization type. Should I name the chart type 'vertical bar chart' or 'column chart'?

Bar chart Wikipedia entry says "The bars can be plotted vertically or horizontally".

Column chart is sometimes used to mean vertical bar chart.

Looking for something that users will understand easily. Each chart type will be accompanied by an icon.