Definition of mamma:

• Mother; -- word of tenderness and familiarity.
• milk- secreting organ of female mammals
• A glandular organ for secreting milk, characteristic of all mammals, but usually rudimentary in the male; a mammary gland; a breast; under; bag.
• The breast.
• Mother; - word of tenderness and familiarity.
• A familiar name for mother. Also, mama.
• A glandular organ secreting milk, found in all animals that suckle their young.
• A familiar family name for mother.
• In med., a nipple; a teat; a breast.
• A familiar word for mother used by all ranks above the lowest- often contracted into mam, or ma.
• The milk- secreting organ of Mammals, functionless in the male.
• [ Latin] Milk-secreting organ of female mammals.

Usage examples for mamma

1. " Nobody could have taken more care of me, mamma.  Daisy in the Field by Elizabeth Wetherell

2. But mamma- Well, dear, without looking up this time.  Five Minutes' Stories by Mrs. (Mary Louisa) Molesworth

3. I wish that I could tell you what Mamma has been to us all these long years, what she still is.  Letters of a Javanese Princess by Raden Adjeng Kartini Commentator: Louis Couperus

4. Perhaps you would even want me to call her mamma?  The Clique of Gold by Emile Gaboriau