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.
Definition of posse. 1  1 : a large group often with a common interest. 2  2 : a body of persons summoned by a sheriff to assist in preserving the public peace usually in an emergency. 3  3 : a group of people temporarily organized to make a search (as for a lost child) 4  4 : entourage 1.