The fruit of this tree; a chestnut.

A chestnut. Also attributive.

The large edible seed or ‘nut’ of the chestnut-tree (see A. 2), two or more of which are enclosed in a prickly pericarp or ‘burr’.

Of or pertaining to Sardis.

A kind of large chestnut; = marron, n.1 Also in maroon-nut. Obsolete.

the common or Spanish chestnut, Castanea sativa, as distinguished from the bitter inedible horse chestnut, n.; also, the fruit or timber of this tree.

The nut of the sweet chestnut, Castanea sativa, esp. as used in cooking or eaten as a sweetmeat; spec. one of an extra large variety resulting from…

Sardinian acorn, Sardinian nut = Sardian, adj. n. acorn, nut.