One's male offspring.
A male adopted person in relation to his adoptive parents.
A male person who has such a close relationship with an older or otherwise more authoritative person that he can be regarded as a son of the other person.
A male person considered to have been significantly shaped by some external influence.
A male descendant.
A familiar address to a male person from an older or otherwise more authoritative person.
An informal address to a friend or person of equal authority.
To produce (i.e. bear, father, beget) a son.
To address (someone) as "son".