1. to cover with ice or glaciers; to subject to glaciation
Usage: transitive or intransitive; geology/earth science
2. to undergo glaciation; to become covered by glaciers
Usage: intransitive; geology/earth science

Examples

• During the last ice age, glaciers glaciated much of North America.
• The mountain peaks glaciate during the coldest periods of Earth's climate cycle.
• Repeated freeze-thaw cycles gradually glaciate the exposed rock face.
• Scientists study how climate change affects regions that glaciate seasonally.
• The valley was heavily glaciated thousands of years ago, leaving behind distinctive U-shaped terrain.