Mama (noun)

1. A child's word for mother.
2. A term of address for one's mother.

Origin:

Early 17th century: from italian mamma, from latin mamma "breast".

Examples:

1. The baby said "mama" when she saw her mother.
2. The toddler called for "mama" when she woke up.
3. He called his mother "mama".
4. She calls her mother "mama".
5. The song is called "Mama".