Lately, I’ve been obsessed with Mediterranean cooking.
I'm on my way home from the Mediterranean Sea.
I went on a cruise with my family on the Mediterranean Sea over summer vacation.
Earth's middle sea is the Mediterranean Sea. It may not look like it's in the middle of the earth, but a long time ago that's what people thought. It's the sea between Southern Europe and Northern Africa.
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.