ˈ ̷ ̷ ̷ ̷ˌ ̷ ̷ noun
Etymology: Middle English tresorhous, tresourhous, from tresor, tresour treasure + hous house
1. : a building where treasure is kept : treasury
2. : a place or source (as a collection) where many things of value can be found
cities that are among Europe's finest treasure-houses of art and history — Geographical Journal
this book is a treasure-house of marvelous reading — Hal Lehrman