What is a synonym for "ice giant"?

Common synonyms include: ice giant planet, ice planet.

Ice giant

noun

noun ·Rare ·Advanced level

Noun

1
A frost giant. Norse
"The drops became living by the power of him who had sent the wind ; and from them sprang Ymir, the ice-giant."
2
A giant planet composed mostly of astronomical ices (condensed forms of volatile compounds) including water, methane, oxygen, carbon, nitrogen, and sulfur, and smaller than a gas giant. (e.g. Neptune and Uranus)
"The fifth planet was an unknown, an ice giant in a drunken skewed orbit that took it from just inside the Jovian's orbit almost out to the sixth planet's."

"The drops became living by the power of him who had sent the wind ; and from them sprang Ymir, the ice-giant."