IPA: //ˈmiːdiəs//
KK: /ˈmidiəs/
The middle finger, which is the third finger on the hand.
He raised his medius in frustration during the argument.
Medius → It is derived from Latin 'medius' (meaning middle or central). The word 'medius' refers to something that is in the middle or at the center of something else.
Think of 'middle' when you hear 'medius' — it helps you remember that 'medius' means something that is central or in the middle.