PAN

noun

1. 1.

   a container made of metal and used for cooking food in.

   "heat the olive oil in a heavy pan"
2.      a usually broad, shallow, and open container for domestic use (as for cooking) ; 
3.      a steel drum.

verb

1. 1.

   INFORMAL

   criticize (someone or something) severely.

   "the movie was panned by the critics"

all, every, whole

word-forming element meaning "all, every, whole, all-inclusive.

Pan-Asian

Covering or representing all of Asia, particularly with respect to events involving representatives of most or all Asian countries.

pan-African

adjective 

1. relating to all people of African birth or descent.

The greek half-goat god of sex. (slang)

In business

The term primary account number (PAN) refers to a 14-, 15-, 16-, or even up to 19-digit number generated as a unique identifier designated for a primary account. Primary account numbers are also called payment card numbers as they are found on payment cards like credit and debit cards. (investopedia)

PAN stands for "Presence Across Nation