The mammary gland is a modified sweat gland that nourishes the young. It consists of the mamma and the teat. Undeveloped in both the male and female at birth, the female mammary gland begins to develop as a secondary sex characteristic at puberty.
gang definition, meaning, what is gang: a group of young people, especially young men, who spend time together, often fightingâ¦. Learn more.
group noun (SET) A1 [ C ] a number of people or things that are put together or considered as a unit: I'm meeting a group of friends for dinner tonight. The car was parked near a small group of trees. She showed me another group of pictures, this time of children playing.