IPA: /ˈflaɪər/
KK: /ˈflaɪər/
A person who travels by airplane or a printed advertisement that is distributed widely.
The company handed out a flier to promote their new product.
Flier originates from the verb 'fly' (from Old English 'flēogan', meaning to move through the air) combined with the suffix '-er' (meaning a person who). A flier is a person or thing that flies or is designed to fly.
Think of someone who 'flies' — 'fly' means to move through the air, and '-er' indicates a person. So, a flier is someone who flies.