(sciences) A period of long-term reduction in the temperature of Earth's surface and atmosphere, resulting in the presence of major polar ice sheets that reach the ocean and calve icebergs.

Used other than figuratively or idiomatically: see ice, cube. / Any small piece of ice used for cooling drinks, larger than crushed ice, regardless of their shape.

(uncountable) A dessert made from frozen sweetened cream or a similar substance, usually flavoured. / (countable) A portion of ice cream on a stick, in a cup or in a wafer cone.

(astronomy) An icy planetoid: an astronomical object, such as Pluto, Sedna or (for some authors) Ceres that is large enough to be a world and contains more ice than a typical asteroid.

Frozen seawater.

a vertical wedge of subterranean ice

A specially frozen surface of water on which people skate or play ice hockey; the building that houses such a surface.

any of several worms, of the genus Mesenchytraeus, that inhabit glacial ice

a person who ice-skates

An ice yacht. / An icebreaker; a ship that breaks through ice.