Definitions

1. noun

A mother, especially the mother of a child.

“Her mum was a great cook.”

2. verb

To silence or suppress information, especially by refusing to answer questions.

“The police mumbed the details of the investigation.”

3. noun

A type of low-growing evergreen shrub, often used as a hedge or in floral arrangements.

“The garden was filled with mum flowers.”

4. interjection

An expression of silence or refusal to speak, often used to indicate a refusal to answer questions.

“Mum, I’m not telling you.”

5. abbreviation

Mother Universe of Mathematics, an academic organisation.

“The MUM was founded to promote mathematical research.”