In Scotland or Northern England, 'oxter' is understood and used, but elsewhere it might be confusing.

Cultural Use

'Oxter' is old-fashioned and rarely used in modern English, except in some regions.

Archaic Term

Using 'oxter' could add humor or a quaint touch in informal situations.

In tailoring, 'oxter' is specialized language for the armhole of a garment.

If you're not in Scotland or Northern England, use 'armhole' to avoid confusion.

Mentioning 'oxter' might evoke images of traditional or historical clothing within the UK.