Anorak vs. Trainspotter

Anoraknoun

A heavy weatherproof jacket with an attached hood; a parka or windcheater.

Anoraknoun

A geek or nerd, possibly originally either a train spotter or a fan of off-shore pirate radio.

Anoraknoun

a kind of heavy jacket (`windcheater' is a British term)

Anoraknoun

a waterproof jacket, typically with a hood, of a kind originally used in polar regions.

Anoraknoun

a studious or obsessive person with unfashionable and largely solitary interests

Trainspotternoun

A person whose hobby is train spotting.

Trainspotternoun

(by extension) An obsessive follower of any minority interest or hobby.