heirloom
//ˈɛərˌluːm//
Noun
heirloomSingular
heirloomsPlural
1
A valuable object that has belonged to a family for several generations and is passed down from one generation to the next.
This ring is a family heirloom that has been passed down for five generations.
2
A traditional variety of plant or seed that has been cultivated for many years without modern hybridization.
My grandmother grows heirloom tomatoes in her garden every summer.