In short, body checking in women's hockey is prohibited while body checking in men's hockey is not.
In essence, while the act of body checking is self-explanatory, a Woman's Body Check denotes an illegal act while a Body Check denotes the act itself, which is common in men's hockey.
Rule 604 in USA Hockey states:
Body checking is prohibited in the 12 & under youth age classification
and below and all Girls’/Women’s age classifications.
Body checking is also prohibited in all non-check Adult
classifications.
A local governing body may prohibit body checking in any
classification.