IPA: /ˈvædʒɪnəli/
KK: /ˈvædʒɪnəli/
In a manner that involves the vagina.
The medication can be administered vaginally for better absorption.
Vaginally → It is formed from "vagina" (from Latin *vagina*, meaning sheath or scabbard) and "-ally" (meaning in a manner relating to). The word "vaginally" refers to something that is done in a manner relating to the vagina.
Think of 'vagina' as a sheath and remember that 'vaginally' means in a manner relating to that sheath.