Definition of "hazel" in English

noun

1. (countable) A tree or shrub of the genus Corylus, bearing edible nuts called hazelnuts or filberts.

2. (countable) The nut of the hazel tree.

3. (uncountable) The wood of a hazelnut tree.

4. (countable and uncountable) A greenish-brown colour, the colour of a ripe hazelnut.

5. (mining, countable) Freestone.

adjective

1. Of a greenish-brown colour. (often used to refer to eye colour)