Oxters are a colloquial term that refers to underarms or armpits. However, many people use different words to describe this particular body part. Some common synonyms for the word oxters include pits, axillae, underarms, armpits, and brachial pits. While these words may have different origins, they have become commonly used and accepted synonyms for oxters. Different words can be used depending on the context, and some are more formal or clinical than others. Regardless of the word chosen, it is clear that the oxters, whatever they may be called, are an essential part of the human body and deserve proper attention and care.