spacemonster

noun
UK /ˈspeɪsˌmɒnstə/
US /ˈspeɪsˌmɑːnstər/

A space monster is a made-up creature that lives in outer space.

The little boy drew a green spacemonster with six eyes and three arms.


OTHER MEANINGS

2. A scary creature in a science-fiction story or movie that comes from another world.

In the film, a giant spacemonster attacked the moon base.

3. A playful name for a child who loves space and makes a mess.

My little spacemonster scattered rocket toys all over the floor.

4. A video-game enemy that looks like a strange creature from space.

You have to defeat the spacemonster at the end of level five.