A first word is the first thing a child manages to say. Say the first word, record the first word.
Parents disagree about what counts, which is why the age reported is always earlier than the truth. A first word is usually about a person or a thing that moves rather than an object sitting still.
1nounfirst wordThe first thing a child manages to say.
“Her first word was the dog's name and not either parent's.”
first word is a word.
Practised in Babies & Growing Up