Definition that contains nig
- bulbul nightingale spoken of in Persian poetry
- nightshirt nightclothes worn by men
- black-crowned night heron night heron of both Old and New Worlds
- genus hypsiglena night snakes
- genus luscinia nightingales
- nycticorax nycticorax night heron of both Old and New Worlds
- hypsiglena night snakes
- fennel flower nigella of Spain and southern France
- luscinia nightingales
- family xantusiidae night lizards