IPA: /ˈdʒeɪˌwɔːkər/
KK: /ˈdʒeɪˌwɔːkər/
A person who crosses the street in a way that is not allowed, such as not using a crosswalk or walking in the road where cars drive.
The jaywalker hurried across the street, ignoring the traffic signals.
Jaywalker → The term 'jay' (originating from the slang term for a foolish or inexperienced person) and 'walker' (from Old English 'wealcan', meaning to move or walk). A jaywalker is someone who foolishly or carelessly walks across the street, often disregarding traffic rules.
Think of a 'foolish person' ('jay') who is 'walking' ('walker') carelessly across the street, which helps you remember that a jaywalker is someone who crosses the street in a reckless manner.