
1) Family colubridae 2) Nonvenomous snakes 3) Reptile family
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https://www.crosswordclues.com/clue/colubridae

The largest family of snakes, comprising five subfamilies: colubrinae, natricinae, homalopsinae, lycodontinae, and xenodontinae. They show a great diversity of eating habits, some eating almost anything, others having a specialised diet. They can be oviparous, ovoviviparous, or viviparous. The majority of north american snakes are colubrines. Among...
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http://www.encyclo.co.uk/local/20973

Type: Term Pronunciation: kol-yū′bri-dē Definitions: 1. A family of largely nonpoisonous or mildly poisonous snakes comprising over 1000 species, found in North and South America, Asia, and Africa.
Found on
http://www.medilexicon.com/medicaldictionary.php?t=19128

Colubridae is the 'Typical Snakes' family of reptiles of the suborder Serpentes (Sakes). The family contains about 2000 species in 290 genera and about 14 subfamilies, the members being found in tropical, subtropical and temperate zones, and varying widely in habit and choice of habitat.
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http://www.probertencyclopaedia.com/browse/BCA.HTM

[
n] - nonvenomous snakes
Found on
http://www.webdictionary.co.uk/definition.php?query=Colubridae

Colubridae 1. A cosmopolitan family of mostly nonpoisonous or mildly poisonous snakes and some highly poisonous species. Venomous species have small, grooved fangs at the rear of the mouth. There are approximately 1,000 species.2. A very large family of terrestrial snakes in the order Squamata, containing about 75 percent of all known snakes.
Found on
http://www.wordinfo.info/words/index/info/view_unit/2851/
family Colubridae noun nonvenomous snakes; about two-thirds of all living species
Found on
https://www.encyclo.co.uk/local/20974
No exact match found.