Meaning

noun wood of any of various chestnut trees of the genus Castanea

noun any of several attractive deciduous trees yellow-brown in autumn; yield a hard wood and edible nuts in a prickly bur

noun edible nut of any of various chestnut trees of the genus Castanea

originThe noun is a contraction of chest(en) (“(obsolete) chestnut tree; fruit of this tree, chestnut”) + nut. Chesten is a late variant of chesteine (obsolete), from Middle English chesten, chesteine, chasteine, chesteyne (“chestnut tree (Castanea sativa); fruit of this tree; wood of this tree”), from Old French chastaigne, chastaine (French châtaigne), from Latin castanea (“chestnut tree; fruit of…

Etymology from Wiktionary, CC BY-SA 3.0