Definition of "diver"

Someone who dives, especially as a sport.  examples

Someone who works underwater; a frogman.  examples

(UK, Ireland) loon (bird)  examples

The New Zealand sand diver.  examples

The long-finned sand diver.  examples

(UK, London, dated) A passenger carrying vehicle using an underground route; specially, a diver tram, one using the former Kingsway tramway subway (1906-1952).  examples

(slang, obsolete) pickpocket

(sports) A competitor in certain sports who is known to regularly imitate being fouled, with the purpose of getting his/her opponent penalised.  examples