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thecodont

the·co·dont [ thkə dònt ]


adjective 
Definition:
 
with teeth in sockets: describes animals whose teeth are set in sockets



noun  (plural the·co·donts)
Definition:
 
1. extinct prehistoric reptile: an extinct reptile that lived in the Triassic period, had teeth set in sockets, and was the ancestor of the dinosaur. Order Thecodontia.

2. thecodont reptile: a reptile with teeth set in sockets

[Mid-19th century. < Latin theca (see theca)]
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