The medical term for one nose hole is naris (plural nares). Nostril is the more commonly-used term.
'nose hole is another name for 'nostril'
nasal passage
Nostrils
The external nares are the actual nostril openings of the nose. The function of the external nares is to prevent debris from entering the nasal cavities and then the lungs.
External nares ( Nostrils) are the openings formed by the external nose that open into the nasal cavity.
Rhinarium is the naked skin surrounding the external openings of the nostrils, for example, the bare nose on cats and dogs.
Nares are the external openings of the nose (human, animal, or reptile). These are also known as nostrils or the nasal passages.
Blocked nose
The nostrils / nares are the openings in the nose.
Otolaryngology is the medical term meaning study of the ears, nose and throat.
The openings in your nose are the nostrils.
Nasolacrimal is the medical term meaning pertaining to the nose and tear ducts.
The nasopharynx is the space behind the nose.
Nostril