1. A long lasting layer of ice covering a large area

Derived forms: ice sheets

Encyclopedia: Ice sheet

• rock pigeon
• rock pink
• rock plant
• rock polypody
• rock purslane
• rock python
• rock rabbit
• rock rattlesnake
• rock salmon
• rock salt
• rock sandwort
• rock sea bass
• rock snake
• rock spikemoss
• Rock Springs
• rock squirrel
• rock star
• rock sunfish
• rock the boat
• rock wallaby
• rock wool
• rock wren
• rock-and-roll
• rock-bottom
• rock-inhabiting