The hazel tree.
The hazelnut.
A paintbrush used in oil and acrylic painting with a long ferrule and a curving, tongue-shaped head.
The nut of the hazel tree.
The wood of a hazelnut tree.
Freestone.
A tree or shrub of the genus Corylus, bearing edible nuts called hazelnuts or filberts.
A greenish-brown colour, the colour of a ripe hazelnut.
Of a greenish-brown colour. (often used to refer to eye colour)