n. 1. (Placename) a republic in West Africa, on the Atlantic: established as the colony of French Guinea in 1890 and became an independent republic in 1958. Official language: French. Religion: Muslim majority and animist.
Definition of ice pack for English Language Learners. : 1  a container or bag filled with ice that is used to cool part of your body. : 2  a large area of ice on the ocean formed from pieces and sheets of ice that have been pushed together by wind and waves.
An ice age is a period of long-term reduction in the temperature of Earth's surface and atmosphere, resulting in the presence or expansion of continental and polar ice sheets and alpine glaciers.