Any of the 20 teeth that appear during infancy and early child¬ hood and are later shed, generally between the ages of 6 and 13, to be replaced by the permanent teeth; also called milk tooth; primary tooth.
Any of the 20 teeth that make up the first dentition, which are shed and replaced by the permanent teeth.
One of the twenty primary or baby teeth that are eventually substituted by permanent teeth around the age of seven years.