Oxford Advanced American Dictionary

Definition of pal noun from the Oxford Advanced Learner's Dictionary

pal

noun
pal pronunciation English pæl pal pronunciation American pæl
 
1 (informal, becoming old-fashioned) a friendWe've been pals for years. see also pen pal2 (informal) used to address a man in an unfriendly wayIf I were you, pal, I'd stay away from her!pally
pally pronunciation English ˈpæli pally pronunciation American ˈpæli
adjectiveI got very pally (= friendly) with him.