"A child is eating meat."

Translation: Dziecko je mięso.

[QueenG01750]

Is this a masculine? Because I don't understand the difference between masculine and feminine words.

[mihxal]

It is a neuter noun. You can read this post: https://www.duolingo.com/comment/14133935

[Gatu77]

Most of words ending with -o, -e are of Neuter grammatical gender.