noun

1. An evergreen tree of the genus Citrus such as Citrus sinensis.

2. The fruit of an orange tree; a citrus fruit with a slightly sour flavour.

3. The colour of a ripe fruit of an orange tree, midway between red and yellow.

Synonyms: yellowred

verb

1. To color orange.

2. To become orange.

adjective

1. Having the colour of the fruit of an orange tree; yellowred; reddish-yellow.