Definition of mother:
(adj) :
a title of respect for one's mother-in-law
"mother Smith, meet my cousin, Doug Jones."
(n) :
a woman who has, conceives, gives birth to, or raises a child; one's female
parent
"my sister-in-law has just become a mother."
(v) :
to treat as a mother would be expected to treat her child; to
nurture