Is it ‘touch base’, ‘touch bases’, or ‘touch basis’?

‘Touch bases’ is sometimes mistakenly used instead of the expression touch base, meaning ‘reconnect briefly’. In the expression, the word ‘base’ can’t be pluralised –  the idea is more that you’re both touching the same ‘base’.

‘Touch basis’ is a misspelling of ‘touch bases’ and is also incorrect.

A Scribbr Grammar Check can help ensure you’re using phrases like ‘touch base’ correctly in your writing.