This is the 5504th most frequent Japanese word.
おかあさん
"おかあさん" means "mother" in English.
Here, おかあさん is used to refer to someone's mother in a general and respectful context.
おかあさんは優しい人です。
Mother is a kind person.
In this sentence, おかあさん refers to the teacher's mother as a subject of discussion.
授業中、先生がおかあさんについて話していました。
During class, the teacher was talking about their mother.
In this example, おかあさん refers to the children's mother, whom they are addressing directly.