child 
/ˈtʃajəld/ noun
plural chil·dren /ˈtʃajəld/ noun /ˈtʃɪldrən/ [count] 1 : a young person
▪ the birth of a child ▪ She's pregnant with their first child. ▪ a play for both children and adults ▪ I went there once as a child. [=when I was a child] — often used before another noun. ▪ a child prodigy ▪ a child actor ▪ child development ▪ child psychologists 2 : a son or daughter
▪ All of their children are grown now. ▪ an elderly couple and their adult children 3 : an adult who acts like a child : a childlike or childish person
▪ I'm a child when it comes to doing taxes. [=I need to be told or shown what to do] ▪ Men are such children sometimes. 4 : a person who has been strongly influenced by a certain place or time or by the events happening during that time
▪ She's a child of her time. ▪ a child of the Depression
▪ the birth of a child ▪ She's pregnant with their first child. ▪ a play for both children and adults ▪ I went there once as a child. [=when I was a child] — often used before another noun. ▪ a child prodigy ▪ a child actor ▪ child development ▪ child psychologists
▪ All of their children are grown now. ▪ an elderly couple and their adult children
▪ I'm a child when it comes to doing taxes. [=I need to be told or shown what to do] ▪ Men are such children sometimes.
▪ She's a child of her time. ▪ a child of the Depression
children should be seen and not heard
— used to say that children should be quiet and well-behaved
with child
— see also brainchild
