A specialized bony substance covering the root of a tooth

Wikipedia Word definitions in Wikipedia
Cementum is a specialized calcified substance covering the root of a tooth . The cementum is the part of the periodontium that attaches the teeth to the alveolar bone by anchoring the periodontal ligament .

WordNet Word definitions in WordNet
n. a specialized bony substance covering the root of a tooth [syn: cement ]

Wiktionary Word definitions in Wiktionary
n. (context anatomy dentistry English) A bony substance that covers the root of a tooth; cement.

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Cement \Ce*ment"\ (s[e^]*m[e^]nt" or s[e^]m"[e^]nt), n. [OF. cement, ciment, F. ciment, fr. L. caementum a rough, unhewn stone, pieces or chips of marble, from which mortar was made, contr. fr. caedimentum, fr. caedere to cut, prob. akin to scindere to ...