*odontoblast*

n. [ Odonto- + -blast. ] [ 1913 Webster ]

1. (Anat.) One of the more or less columnar cells on the outer surface of the pulp of a tooth; an odontoplast. They are supposed to be connected with the formation of dentine. [ 1913 Webster ]

2. (Zool.) One of the cells which secrete the chitinous teeth of Mollusca. [ 1913 Webster ]