Chiller
Part of speech: adjective
Definition:
Part of speech: noun
Definition: Something that chills, especially a machine that produces cold air, either for air conditioning, to prepare chilled foods etc. A frightening dramatic work, such as a book or film
Cooler
Part of speech: noun
Definition: anything which coolsan insulated bin or box used with ice or freezer packs to keep food cold while picnicking or campinga mixed drink, especially one served chilleda prison
Part of speech: adjective
Definition: Having a slightly low temperature; mildly or pleasantly cold.