A bedroom reserved for visitors or guests in a house.
Compound of 'guest' (from Old Norse 'gestr') and 'chamber' (from Latin 'camera' via Old French). The compound emerged in Middle English when hospitality practices required dedicated rooms.
The distinction between 'guest room' (modern, two words) and 'guest chamber' (older, often written as one) shows how English compounds evolve—as new concepts become standard, they shift from separate words to compounds to sometimes hyphenated forms over centuries.
Complete word intelligence in one call. Free tier — 50 lookups/day.