Definition of oxter in US English:

oxter

noun

Northern English, Scottish
  • A person's armpit.

    • ‘The place was awash with yellow anoraks, smelly oxters and hairy legs.’
    • ‘One dose can dry up wet smelly oxters for as long as a year, say proponents.’
    • ‘Indeed, he's up to his oxters in them at the moment.’
    • ‘Walking along a corridor in the office, I pass a member of our IT support team and I am struck by the hugely unpleasant whiff of undeodorised oxter.’
    • ‘The waft of an autumnal Scottish breeze over your thighs, under your oxters or across your belly button can be as refreshing for the mind as it is for the body.’

Origin

Old English ōhsta, ōxta.

Pronunciation

oxter

/ˈäkstər/