mother · noun C /ˈmʌð.ər/
Word family
Nouns: mother, motherhood, mother-in-law
Adjectives: motherly
Verbs: mother
mother
A1 a female parent
Dictionary examples:
a single mother
My mother was 21 when she got married.
My mother and father came to England in 1944.
Learner example:
Eduardo is a good boy [...] he help[s] his mother at home. (Skills for Life (Entry 1); A1; Panjabi)
mother tongue
B2 the first language that you learn when you are a child
Dictionary example:
Italian is my mother tongue but I started to learn English when I was six.
Learner example:
I can speak English and French fluently, added to my mother tongue, Japanese. (First Certificate in English; B2; Japanese)