chinquapin
noun
chin·qua·pin ˈchiŋ-ki-ˌpin 
variants or chinkapin
1
: the edible nut of a chinquapin
2
: any of several trees (genera Castanea and Castanopsis)
especially : a dwarf chestnut (Castanea pumila) of the U.S.
Example Sentences
Recent Examples on the Web Rare plants, including small Ozark chinquapin trees, are found here. 
Flip Putthoff, Arkansas Online, 8 Mar. 2022 The fishing for bass, bluegills and redear sunfish — also known as the chinquapin in Cajun country — was a bit slow in the wake of recent deluges that raised the water in the miles of canals a foot or so. John Goodspeed, San Antonio Express-News, 24 June 2021 The strongest chinquapins will be chosen for propagation. Robert Langellier, National Geographic, 24 June 2019 Most of the trees planted were different types of native oak, including swamp white, burr, red and chinquapin. Frank Vaisvilas, Daily Southtown, 7 June 2019 Fruit and leaf fossils from the site, called Laguna del Hunco, belong to a still-living genus of trees called Castanopsis, or chinquapin, that today is found largely in the mountain rainforests of Southeast Asia. Peter Wilf, National Geographic, 6 June 2019
Flip Putthoff, Arkansas Online, 8 Mar. 2022 The fishing for bass, bluegills and redear sunfish — also known as the chinquapin in Cajun country — was a bit slow in the wake of recent deluges that raised the water in the miles of canals a foot or so. John Goodspeed, San Antonio Express-News, 24 June 2021 The strongest chinquapins will be chosen for propagation. Robert Langellier, National Geographic, 24 June 2019 Most of the trees planted were different types of native oak, including swamp white, burr, red and chinquapin. Frank Vaisvilas, Daily Southtown, 7 June 2019 Fruit and leaf fossils from the site, called Laguna del Hunco, belong to a still-living genus of trees called Castanopsis, or chinquapin, that today is found largely in the mountain rainforests of Southeast Asia. Peter Wilf, National Geographic, 6 June 2019 Word History
Etymology
probably modification of Virginia Algonquian chechinquamin chinquapin nut
First Known Use
1612, in the meaning defined at sense 1