deciduous tooth

noun

: a temporary tooth of a young mammal that in human dentition includes four incisors, two canines, and four molars in each jaw : baby tooth, milk tooth

Occasionally, cats are born with duplicate or missing teeth, but the most common developmental problem is retained deciduous teeth …

—Drew Weigner

Both sisters had severe dental caries as young children that necessitated the extraction of all deciduous teeth.

—Christine M. Laine et al.

Word History

First Known Use

1755, in the meaning defined above

Kids Definition

deciduous tooth

noun

: milk tooth

Medical Definition

deciduous tooth

noun

: milk tooth